"I told him it was just a flesh wound, a wee scratch, but the next time I looked at him, poor Tadhg was dead and gone."
Any seemingly-minor injury that, due to circumstance, puts a character in danger disproportionate to the amount of physical trauma involved.
This is often due to factors such as poison or disease: a superficial scratch or cut by itself poses little threat to a healthy adult human, but if that scratch was made by a poisoned dagger, or a venomous fang or stinger, or that cut isn't properly treated and becomes infected or gangrenous, suddenly it becomes a lot more of a problem. (And God help you if that scratch or cut came from a Plague Zombie or some other carrier of The Virus.) However, even a "clean" wound in an otherwise non-lethal location can threaten a person's life if they start bleeding out — say, from a superficial head injury, or a nicked artery, or a Wound That Will Not Heal for either mundane or magical reasons. Furthermore, even if the initial injury poses no direct threat to the character's long-term health, if that character is forced into dramatic action before it's properly healed, there's a risk of the injury providing a painful distraction at a critical moment, or becoming aggravated into something much more serious, or leaving a Trail of Blood that ruins the character's ability to hide or attracts some dangerous creature. This trope isn't strictly limited to direct injuries of flesh-and-blood characters, either: a seemingly-trivial hit to a Humongous Mecha or Cool Ship could cause just enough damage to start interfering with important systems, ultimately leading to a chain reaction that dooms the entire machine, or a miniscule tear in a Hazmat Suit can expose the occupant to whatever nastiness is in the environment around them, often with fatal results.
Note that while the characters may not realize how important this injury is, the story absolutely does. Expect the camera to linger on that shallow cut, or the narration to go out of its way to describe how the character was just barely grazed by an attack, to clue in the audience that this "inconsequential" injury is anything but.
Compare Attack the Injury (where an injury is dangerous because it creates a weakness in a character's defense), Game-Breaking Injury (where an injury is dangerous because it impedes a character's performance at a critical moment), and Twisted Ankle (where an injury is dangerous because it prevents a character from fleeing danger). Similar to Untouchable Until Tagged, in which the first time a character is actually wounded, they'll start to lose the rest of the fight. May lead to After-Action Healing Drama if the cast recognizes the danger posed by the injury in time to do something about it. Contrast Major Injury Underreaction (where a truly traumatic injury is treated as inconsequential), Minor Injury Overreaction (where a truly inconsequential injury is treated as traumatic), and Only a Flesh Wound (where a seemingly-major injury causes a character less trouble than would be reasonably expected).
Since this is often a Death Trope, and generally has a major impact on the story even when it isn't, expect unmarked spoilers ahead.
Examples:
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Anime & Manga
- Akame ga Kill!: Akame's teigu, Murasame, is a katana coated in supernatural poison so potent that even the slightest cut from the blade will prove fatal if the poison is allowed to reach the heart. While Akame is terrifyingly efficient at murdering people even without this crutch, it still contributes greatly to her status as The Dreaded and is ultimately one of the things that allows her to take down Esdeath at the end of the series.
- In the first episode of Japan Sinks: 2020, Ayumu gets a small cut on her leg as she escapes from the wrecked locker room. She never gets this cut treated, and over the course of the series, we see it get more and more infected until she's ultimately forced to get the leg amputated in the final episode.
- In episode 8 of Mobile Suit Gundam 0083: Stardust Memory, South Burning of the Earth Federation gets into a skirmish with Zeon's Cima Garahau, sustaining minor damage to his GM Custom in the process. Unfortunately, said "minor damage" includes sparking wiring and a slowly leaking fuel cell, which eventually causes the mobile suit to explode without warning while Burning is still inside it — tragically, right before he's able to reveal the details of Zeon's Operation Stardust to his EFF comrades.
- Naruto:
- The villainous Marionette Master, Sasori, coats all of his weapons (and the weapons of his puppets) with a deadly venom that kills within minutes from even a light scratch. His grandmother, Chiyo, manages to develop an antidote with Sakura's help, but they can only make a limited amount of doses before the battle against Sasori himself. Near the end of the battle, both Chiyo and Sakura manage to get wounded with only one dose of the anti-venom remaining, forcing Chiyo to use it on Sakura and doom herself.
- During the battle between Team 10 and the Akatsuki member Hidan, Hidan is able to wound the team leader Asuma Sarutobi with his scythe. The injury is minor, but it allows Hidan to consume Asuma's blood by Licking the Blade — the first step in an unnecessarily complex blood magic ritual that ultimately ends in Asuma's death.
- In the climactic battle of the "Power" arc, Action Girl Shiseru is caught in the collateral damage from one of the Naruto clone's attacks and gets a dislocated shoulder. This is a bad enough problem for someone caught in the middle of a battle between two super-powered ninja-turned-monsters, but it becomes more immediately dangerous a few moments later when the ground collapses, Shiseru ends up dangling off the edge of a cliff, and she can't use the bad arm to help pull herself up.
- One Piece:
- During the Little Garden arc, Nami is stung by a mosquito while traversing the jungle. She writes it off as a minor bug bite, but the beginning of the following arc has her suddenly develop a nasty fever that none of the crew know how to treat, forcing them to detour to an island called Drum Island. When they get her to the doctor, Kureha, she reveals that the bite actually came from a prehistoric mosquito (Little Garden is kinda behind the times being filled with dinosaurs) and Nami would've been dead within a week if they had waited any longer.
- During his final battle with Crocodile at the climax of the Alabasta arc, Luffy ends up scratched by his poison hook filled with scorpion venom. While it does affect him, Luffy manages to power through to finally defeat Crocodile, only afterwards nearly dying from the poison. Luckily, Nico Robin managed to swipe the antidote off of Crocodile and give it to King Nefertari Cobra to administer it to Luffy.
- During the Fishman Island arc, Luffy gets nicked by Hyouzou, an octopus Fishman that secretes deadly poison, while fending him and his fellow cronies off. The Fishman thinks Luffy will die from it after being chased off, but luckily Luffy had developed Acquired Poison Immunity by this point (largely due to barely surviving being coated in poison by an opponent way prior to this arc), so it ended up saving him as Chopper explains while examining him.
- RWBY: Ice Queendom: While fighting in Weiss's dream-world, Ruby takes a light scratch to her hand, which remains with her even in the real world. She ignores it at the time, which comes back to haunt her later. The scratch is caused by one of the Nightmare's vines, which leaves her infected and trapped in her own dream inside Weiss's dream.
- Yona of the Dawn: Discussed. After Yona retrieves the Senjuso herbs, Hak finds her trying to remove the thorns with a needle, but only succeeding in scratching up her hands. He asks if she put the needle through a fire to sterilize it, but when Yona replies she didn't, Hak tells her that her hands will become infected and rot off. She then threatens to stab him with the needle.
Comic Books
- ElfQuest: Cutter is bitten in the hand by a squirrel he was trying to save. Problem, while tossing it away he falls into the same bog the squirrel was drowning in. The filthy water gets into the bite wound, resulting in an infection and life-threatening fever until Skywise manages to find healing herbs.
- Fables: Boy Blue gets shot in the arm with a cursed arrow which also carries in a thread of the powerfully magic Witching Cloak. When Mister Dark hits the cloak (which was made from his own essence) with a powerful unbinding curse, Boy Blue sickens and dies, despite repeated efforts by the supernaturally skillful Doctor Swineheart (who eventually amputates the infected arm to remove the thread), examination by the Fables' best magic practitioners, and the Messianic Archetype healing powers of King Ambrose.
- Teen Titans: The villain Cheshire is a Master Poisoner, so she often fights with the aim to inflict these, as most of her weapons are coated with poisons and a scratch is all she needs to inflict her deadly toxins on her opponents. Her most iconic weapon is actually her nails, which allows her to subtly scratch people, poisoning them without them even noticing it.
- The Walking Dead: Walkers (zombies) can cause victims to become fatally ill from any sort of wound that comes directly from the Walker themselves — usually bites, but even a scratch obtained from their clawing or gripping will do the trick. The antagonist, Negan, exploits this by coating Lucille (his barbed-wire-tipped baseball bat) in "zombie gunk", making even a light grazing from it fatal.
Fan Works
- Dangerverse: Even the slightest scratch from a silver blade will cause a werewolf to essentially burn up from the inside out, their body crumbling into ashes within seconds. Three major werewolf antagonists are dispatched this way.
- The Good Hunter: During her fight with Cyril in Chapter 7, Druella receives seemingly superficial burns from the energy of Cyril's Sword Beam, as well as a shallow cut in the belly. She gets incapacitated by the very same wounds moments later, and she would've lost her head if it weren't for Kuroferuru and Greilia Little's interference.
- A Wolf Amongst Lions: Meryn Trant gets a wound to his ear with a fork courtesy of Arya, but he manages to mostly shrug it off. When the wound gets infected, the initially harmless slash ends up killing him.
Films — Animation
- In Cloudy with a Chance of Meatballs, Sam accidentally cuts herself on some peanut brittle. The injury itself is minor, but since she's allergic to peanuts, she develops anaphylaxis.
- Justice League: Doom: Cheetah injects Wonder Woman with nanobots by giving her a small cut on the arm. Though the wound itself is insignificant at first glance, the machines soon cause the heroine to visualize everyone around her as clones of her opponent. Wonder Woman thus engages all of them in combat, exerting herself to the point she nearly has a lethal heart attack.
- The Road to El Dorado: During the final play of the ball game, Miguel takes a blow to the head that gives him a small cut over one of his eyebrows, which starts bleeding as he's chewing out the high priest Tzekel-Kan over trying to sacrifice the losing team. The cut itself is completely harmless, but the fact that Miguel is bleeding at all clues Tzekel-Kan in that these "gods" are not who they say they are, inspiring him to sic a giant stone jaguar on them.
Films — Live-Action
- 28 Days Later: The Rage zombies are so aggressive and infectious that when Selena sees her companion Mark nursing a small wound after a fight, she kills him on the spot without hesitation.
Selena: I didn't know he was infected. He knew. I could see it in his face.
- In Alice in Wonderland, the Bandersnatch slashes Alice's arm with its poisonous claws, and Chessur the Cheshire Cat warns her that her wounds won't close on their own, and that the poison will eventually kill anyone scratched by it. Chessur offers to heal them with his evaporating skills, but Alice still thinks it's all a dream, so he simply binds her wounds instead. The Bandersnatch's saliva is the only other thing that can heal her wounds.
- In the 2016 horror film Bodies (also known as Paramedics), the protagonist Cindy is hiking with some friends when she takes a bad step and twists her ankle. While they all consider the injury serious enough to be worth calling paramedics about, it's more annoying and inconvenient than actually dangerous. Unfortunately for Cindy, the men who respond to her emergency call are not paramedics — they're organleggers pretending to be paramedics, and her day is about to get a whole lot worse.
- Captain Marvel: After Nick Fury annoys Goose once too often with unwanted attention, she scratches his eye. He dismisses it as "just a scratch", but Talos pessimistically shakes his head and says "No." This turns out to be the origin of Fury's iconic eye patch, though it doesn't actually kill him.
- Cooties: The Patient Zero little girl infects her bullies who quickly spread The Virus by running around and scratching the other kids during recess.
- Crouching Tiger, Hidden Dragon: Jade Fox opens her final ambush on Li Mu Bai and Yu Shu Lien by firing a barrage of poisoned needles at them. While they manage to deflect nearly all the needles, one gets through Mu Bai's guard and strikes him in the neck; much of the rest of the film is devoted to the ensuing After-Action Healing Drama as Jen attempts to create an antidote for the poison.
- Dawn of the Dead establishes early on that a single zombie bite is enough to spread the infection and that anyone bitten is going to turn. One zombie attack ends with the zombie being pulled away prematurely, its teeth having barely grazed a woman's arm... which proves unfortunate when the woman's husband hides the resulting tiny nick out of fear of losing their unborn child.
- The Day After Tomorrow: When trying to help a woman escape a trapped taxi, Laura gets a fairly nasty cut on her leg due to something sharp underwater. It turns out that the cut she brushes off ends up getting infected due to the dirty storm surge water, and without proper treatment, she'd end up nearly dying of blood poisoning.
- From Dusk Till Dawn:
- In the first movie, one of the survivors, Sex Machine, gets jumped by a not-quite-dead vampire and bitten in the arm before staking it for good. He doesn't think much of it (since so far all who turned were killed first like Richie). But while listening to Frost recount a Vietnam story, he suddenly hears a raspy voice ordering him to kill the others before realizing he has fangs in his mouth and his hands have turned into claws. Pretty soon he turns completely and attacks the others.
- From Dusk Till Dawn 3: The Hangman's Daughter: One of Johnny's men was bitten by one of the brothel's vampires while having sex with them. At the time, he didn't know they were monsters, nor that people will turn from said bite until seeing the preacher's wife come back as a vampire herself. Despite this, he keeps it hidden until the vampirism eventually takes hold of him and he bites said preacher.
- Near the end of The Killer Shrews, one of the giant shrews manages to get into the room that everyone has holed up in and bites at Radford's leg before being shot to death. Radford insists he's fine, saying that it only ripped the leg of his trouser, and sits down at his typewriter. He falls over dead in less than a minute — just that one small cut from the shrew's venomous teeth was fatal, and he knew what was coming and spent his final seconds typing up his symptoms. A scientist to the very end.
- In the climactic fight between Eggsy and Gazelle in Kingsman: The Secret Service, Eggsy manages to give Gazelle a minor cut with his shoe blade that ordinarily would be shrugged off as Only a Flesh Wound. However, as the blade is poisoned, she succumbs to the poison after a short time (around thirty seconds).
- During the climactic gunfight in Skyfall, M takes a grazing hit to the midsection. It's a fairly minor injury, the sort of thing that wouldn't even faze James Bond himself. The problem is, Bond is an early-middle-aged active field agent in near-peak physical condition, while M is an elderly administrator whose health has seen better days. Thus, M gradually weakens as the injury goes untreated and ultimately dies of blood loss near the end of the film.
- Superman IV: The Quest for Peace has Supes tangle with Evil Knockoff Nuclear Man, whose razor-sharp fingernails (not claws) are able to cut some nasty-looking scratches into Superman's skin and inflict radiation poisoning, with leaves him dangerously close to death's door by the end of Act 2.
- At the start of Werewolf, an archaeologist scratches himself on an ancient werewolf skeleton while excavating it. This is sufficient to begin transforming him into one.
Gamebooks
- Lone Wolf:
- The arctic lands of Kalte are haunted by Kalkoth, a predator with a barbed tongue that instantly immobilizes prey. Lone Wolf will be hit with this attack if he fights a Kalkoth and takes any damage, leading to an immediate bad end.
- In The Chasm of Doom, Lone wolf can fight a bandit patrol whose weapons are coated with poison. One scratch, and it's Game Over.
- In Shadow on the Sand, fleeing from enemies, Lone Wolf gets grazed on the shoulder by a falling iron grate. A minor injury in game terms (only 1 Endurance point), but if he's later dunked into sewer water, the wound gets infected by a disease called limbdeath. This leads to an Injured Limb Episode, with a paralyzed arm reducing combat prowess, and a desperate search for the very rare Magic Antidote that can cure the disease before it kills Lone Wolf.
Literature
- Brotherband has Tecumsah take what appears to be a minor injury when a blade grazes her temple in battle. However, head wounds are not to be messed with, and she complains of slight dizziness and then dies in Stig's arms.
- Brother Cadfael: In The Holy Thief, nobleman-turned-bandit leader Geoffrey de Mandeville evades all attempts to kill or capture him, but taking his helmet off on a particularly hot day leads to him suffering a minor graze on the scalp from an arrow. Days later he is dead from a virulent infection.
- The Daevabad Trilogy: The Geziri tribe's weapon of choice is the copper zulfiqar sword, which infects wounds with a magical poison that can't even be neutralized by Healing Hands. Their fighting style emphasizes mobility and shallow slashes to exploit this, since any cut is guaranteed to be lethal. At the end of Kingdom of Copper, Muntadhir is cut, but the djinn's magic is disabled before it can finish him off.
- The Dark Tower: The Breaker prison of Algul Siento is located in a toxic area of End-World, meaning minor injuries like scrapes and bruises can become seriously infected if left untreated. Sheemie falls victim to this when he steps on a shard of broken glass and sustains a shallow cut, but forgets to tell anyone and dies of blood infection a few days later.
- Dragaera: The slightest cut from a Morganti blade allows the weapon to eat the victim's soul and inflict Cessation of Existence. Worse, the weapons are somewhat sentient and actively hungry, and Vlad can sometimes sense them straining to reach the closest person.
- Dune:
- In general, the Dune universe loves this trope. Poisoned blades and poisoned needles abound, so it's practically guaranteed that any given scratch, cut, stab, or pinprick worth mentioning is more dangerous than it initially seems. Possibly the most iconic example is the gom jabbar, a needle tipped with meta-cyanide from which the slightest wound is fatal; it's used by the Bene Gesserit as part of a "test of humanity" and by the various noble houses to just straight up murder people.
- Dune (1965):
- Feyd-Rautha Harkonnen fights in the gladiatorial arena wielding a paired set of knives: a shorter "white" blade that is meant to be poisoned, and a longer "black" blade intended to be kept "clean." For his 100th match, Feyd-Rautha secretly poisoned the longer blade instead, and managed to win the match by inflicting a shallow wound on his opponent (a House Atreides fighting man) with that weapon. However, rather than give Feyd-Rautha the satisfaction of killing him or letting the poison do the job, the opposing gladiator chose to stab himself instead.
- At the climax, Baron Harkonnen attempts to grab Alia Atreides as a hostage and gets his hand scratched for his trouble. Unfortunately for him, that scratch was inflicted by the House Atreides gom jabbar Alia was carrying, and very quickly proves fatal.
- Earth's Children: At the beginning of The Clan of the Cave Bear, Ayla is clawed on the thigh by a cave lion. The wound isn't immediately life-threatening, but it quickly festers; it's mentioned by other characters that this tends to happen with cat claws, which is Truth in Television. Combined with the fact Ayla is starving, dehydrated, and only five years old, she soon weakens and collapses. She would've died if Iza — a highly skilled medicine woman — hadn't found her and been able to treat her. Ayla is also left with permanent scarring where the lion's claws raked her skin.
- In A Game of Thrones, feared Dothraki warlord Khal Drogo suffers a minor chest wound during a battle. Because he does not care for the wound properly, it festers, eventually leaving Drogo near death. And then it turns out that the only person who can magically heal Drogo has a major grudge against him and intentionally botches the ritual, leaving him in a vegetative state.
- Horus Heresy: The Anathame is a cursed weapon capable of killing anyone who sustains even a minor injury from it, provided their name is spoken to the blade first. When Horus Lupercal sustains one such minor injury from the Anathame in False Gods, his own semi-divine healing ability counteracting the curse results in a Wound That Will Not Heal that leaves him at death's door. In order to save his life, the Sons of Horus are forced to explore... "alternative" healing methods, setting in motion a chain of events that will ultimately lead to the hellish dystopia that is the "modern" Warhammer 40,000 universe.
- Into the Drowning Deep: The deep-sea mermaids and their symbionts both carry incredibly potent toxins. One human pricks his finger on a snail's barb and hemorrhages to death within minutes. Another gets winged by a bullet contaminated with mermaid blood and dies of full-body necrosis.
- The Knights of the Cross: Macko gets ambushed and shot with a crossbow bolt. A broken piece of the tip gets stuck under his rib and causes the wound to fester, nearly costing him his life before the heroes finally manage to remove it.
- The Lord of the Rings: When Frodo takes a stab to the shoulder from the Witch-King's Morgul-blade, a fragment of the blade is left in the wound and begins to burrow towards his heart, which causes him intense pain and will ultimately kill him. The fragment is eventually removed, ending the immediate threat to his life, but the wound never fully heals and continues to trouble Frodo for the rest of his days.
- In Magical Girl Raising Project, Cranberry dies after being scratched by Tama. The light novel notes that Cranberry's wounds are only superficial and that, had anyone else scratched her, she would have been all right. However, Tama's magic means the slightest abrasion inflicted by her will cause a three-foot wide hole to open up in whatever (or whoever) she scratched, which is precisely what happens to Cranberry whose entire upper body is destroyed as a result.
- Mushoku Tensei: Jobless Reincarnation: The catalyst for the Bad Future timeline is Roxy getting bitten by a mouse. It just so happens this mouse is infected with Magic Stone Disease, which just so happens to be incurable by any means short of God-tier healing magic, and just so happens to be fatal to women who are pregnant, which Roxy just so happens to be at the time. (The local Jerkass God is manipulating events to ensure that all these "just so happens" happen just so.) To say that Rudeus takes her death poorly would be something of an understatement.
- Ranger's Apprentice: In Halt's Peril, taking out a Genovesan assassin in exchange for Halt getting a nick on the arm seems like a good trade... at first. Then Halt starts behaving erratically, and it turns out the crossbow bolt was poisoned, forcing Will to go all over the country tracking down both the surviving assassin (to get more information about the poison) and a skilled healer, in an effort to save Halt's life.
- Redwall: In Outcast of Redwall, the Wraith
is a runty weasel with mottled fur that makes him almost invisible, whose "Kisser" is a poisoned stone blade able to kill anything with a single cut (as the Wraith demonstrates on an unlucky member of Scratt's horde, whose comrades think he ate spoiled fish). This trope ultimately ends up subverted when, after a long and laborious climb up to one of Salamandastron's windows, the Wraith is unceremoniously and accidentally clonked in the head by a thrown rock and falls down the mountain; while he does end up getting stabbed with his own knife for good measure, by that point it's pretty much just adding insult to injury.
- Rise of the Living Forge: Erik catches the bone dagger that Arwin throws to him, but scratches his hand in the process. Seconds later, a sliver of magical bone that entered through Erik's injury reaches his heart and kills him.
- In The Scum Villain's Self-Saving System: Ren Zha Fanpai Zijiu Xitong, Shen Qingqiu's hand gets pierced by one of the spikes on Elder Tian Chui's armour coated in the poison known as Without a Cure. While he manages to survive through timely medical assistance, he requires monthly treatment to repress the poison from then on. Even then, it causes him to experience occasional blockages in spiritual power, making battles and sword flight much more dangerous for him.
- The Sheep Look Up: Due to the spread of superbacteria resistant to all antibiotics, even a small scratch can be deadly. One of the chapters opens with doctors trying (and failing) to save the life of a little girl who got a small cut on her toe while she was playing outside.
- The Stainless Steel Rat:
- In The Stainless Steel Rat, Jim accidentally kills an assassin by scratching him with his own poisoned blade. Then he very carefully takes off his own shirt torn by the same blade because the poison in question doesn't even need a scratch, just skin contact.
- The Stainless Steel Rat Wants You has Angelina and one of the boys captured by aliens. The guards are later found dead with the captives gone. After the family reunites, Angelina explains the two of them used poison on their nails, copying the trick Jim himself used in The Stainless Steel Rat's Revenge, though he himself used a sedative then.
- In The Stainless Steel Rat for President, Jim surrenders to The Generalissimo Zapilote, then scratches Zapilote's face, describes the horrific death that Zapilote is about to suffer from the virus he smuggled in on his fingernails, and trades the cure for the release of all his captured family. Afterwards, he admits to a friend that he was bluffing with a drug to give Zapilote a harmless fever.
- The Stand: During a scuffle with the infected Booth, Nick Andros tries to fire his gun and inflicts a minor wound down his own leg, which he quickly forgets about (especially considering Booth manages to gouge Nick's eyeball out with his thumb). However, being immune to the superflu doesn't mean he's immune to plain old regular germs, and his wound becomes infected enough to almost kill him (he manages to treat himself with antibiotics).
- The Wheel of Time:
- Mat takes a ruby-hilted dagger from the ruins of the cursed city of Shadar Logoth, which carries part of its curse with it. Just a scratch from the dagger causes a festering, skin-blackening taint to appear on the victim, which causes death in a matter of seconds unless magical healing is used. Its properties are revealed when Mat inflicts a shallow scratch on an enemy soldier during a scuffle, causing the soldier to collapse, screaming in pain as the curse takes hold of him.
- Some of the nastier creatures of the Shadow wield cursed swords that inflict a slow death from any wound. Early in the first book, Rand's father takes a small cut while defending the family farm from one such creature and is soon reduced to a delirious fever, forcing Rand to take him to an Aes Sedai for Healing and setting him on his path as The Chosen One.
- World of the Five Gods: In The Curse of Chalion, Royse Teidez gets scratched by a captive leopard while killing it in the (mistaken) belief that it's a focus of the titular Curse. He refuses to have the injury tended, it becomes infected, and Teidez falls into a fever and dies.
Live-Action TV
- The 10th Kingdom: The evil Queen's poisoned comb kills within seconds from the slightest injury. When she tries to strangle Virginia in their final confrontation, Virginia pulls it from her hair and scratches her cheek with it, leaving her just enough time for a Dying Truce.
The Queen: [touching her cheek] You have drawn... blood...
- 2point4 Children: In "Bird on a Wire", David manages to get himself a cut. He ends up contacting Tetanus from it and he ends up at death's door over the course of the next episode (although he thankfully survives).
- Doctor Who:
- Implied in "Tooth and Claw", wherein Queen Victoria is scratched by a werewolf, and it's implied that the scratch is what caused her and her descendants to develop hemophilia.
- Aboard the ill-fated pirate ship in "The Curse of the Black Spot", any injury, even a minor one, causes the mysterious Siren to appear to claim the injured for herself.
- In Game of Thrones, Khal Drogo suffers much the same fate as his book counterpart — receiving a shallow cut on the chest that becomes infected, leaving him at death's door, and then being rendered catatonic when the healing ritual is intentionally botched. In this case, however, the chest wound is received not during battle but during a challenge from one of his own men, and the chest wound wouldn't have happened at all if Drogo hadn't cut his own chest with the challenger's knife in order to make a point about how outclassed the guy was. If Drogo hadn't decided to show off, the plot of the show would have turned out very differently.
- The Good Place: In "Patty", the spirit of an ancient Phoenician man talks about how even minor injuries could cause a deadly infection in the days before modern medicine:
Tahani: How did you die?
Paltibaal: I got a cut on my hand. The year was 2491 BC, so that's pretty much all it took. You got a cut or you drank water that wasn't hot enough and then, boom, dead. - Hercules: The Legendary Journeys: When Hercules took a trip to Norway, he was surprised to learn that the Norse gods can die, and there was a prophecy that Balder would die soon. In response, Odin extracted an oath from all things living and non-living to make them all incapable of killing Balder. This made Balder over-confident and he dared Hercules to strike him down. All the villagers offered him weapons, so Hercules chose the smallest, most harmless-looking dart. Unfortunately, Loki made a deal with Dahok to make a pinprick from the dart fatal.
- House: In "House Training", the Patient of the Week contracts a Staphylococcus infection after accidentally scratching herself with a bra hook. Unfortunately, Foreman misdiagnoses her with a rare form of cancer and submits her to radiation therapy, which debilitates her immune system. As a result, she ultimately dies from sepsis.
- House of the Dragon: King Viserys has a wound on his back from sitting on the Iron Throne that refuses to get better no matter how much the maesters treat it. Eventually he agrees to have it cauterized in hopes that will have an effect. It doesn't, and in the end it might have degenerated into the necrosis that afflicts him the following 15 years or so and kills him (Grand Maester Orwyle at least delayed the effects better than Mellos did).
- Law & Order:
- Law & Order: The very first aired episode has an alcoholic doctor use this as a defense. Patients came into his hospital suffering from minor easily treatable problems, but his incompetent drunken treatments resulted in their deaths. He tries to claim that they were sicker than they appeared.
- Law & Order: Special Victims Unit:
- "Witness" has a Victim of the Week whose hand was cut by a knife-wielding rapist. The cut got infected, and the victim died.
- Downplayed in "Transgender Bridge". The Victim of the Week was thrown off of a bridge and suffered serious injuries, but is recovering. Everyone is surprised when a broken bone results in a fatal embolism.
- NCIS: In episode 3 of season 12, Ducky makes a small nick in the crook of an assassin's elbow with a small scalpel. The assassin laughs it off and complains about Ducky ruining his favorite jacket... then collapses into a chair, dizzy and short of breath. Ducky informs him that the nick in his brachial artery will kill him in about a minute and a half. He also invokes the trope beforehand when the assassin laughs off the scalpel as a weapon, pointing out that since the blade hasn't been cleaned, a minor nick could cause a (eventually) deadly infection.
- Off the Map: Dr. Ryan Clark got a papercut but due to her heart condition it developed into a nearly lethal infection.
- Once Upon a Time: The sword Excalibur is enchanted so that even a single cut from its blade will cause a person to die, but the magic only works when the blade is whole. Hook finds this out the hard way after being scratched by the broken hilt during a fight and later starts to succumb when Emma attempts to repair the sword, and the only way she could save him was by binding his soul to the hilt of Excalibur to turn him into a second Dark One.
- Star Trek:
- The Star Trek: The Original Series episode "Plato's Stepchildren" sees McCoy having to treat an alien named Parmen for what turns out to be an infection from a simple scratch. Parmen and (most of) his people all possess enhanced longevity, but poor immunity, making even small cuts potentially life-threatening, especially since they have no medical technology of their own. They attempt to coerce McCoy into staying to remedy that.
- In the Star Trek: Deep Space Nine episode "The Ship", Crewman Muñiz gets shot with a Jem'Hadar rifle. Normally such a wound would be serious but treatable, except the Dominion's rifle shots include an anti-coagulant which prevents the wound from closing and Muñiz ends up dying of blood loss.
- An occasional cause for medical evacuation in Survivor, as limited access to medicine and bandages can make an otherwise controlled cut seriously infected. Jonathan Penner (Micronesia) and Neal Gottlieb (Kaoh Rong) both had to be pulled for infections that could have cost them their leg, if not their life, while James Clement (also Micronesia) had to be removed for an infection on a cut no wider than his finger.
- Walking with Dinosaurs: The female Postosuchus in "New Blood" gets wounded during a hunt that occurs offscreen (probably caused by the tusks of a Placerias like the one she killed in her Establishing Character Moment), and gets a cut on her thigh. The injury ends up becoming infected, gradually weakening her over the course of several months, and eventually resulting in the predator’s death.
- Years and Years: The Lyons siblings' estranged father ends up dying in Episode Three, after a hit from a courier bike left him with a scratch on his hand that got infected by antibiotic-resistant bacteria, causing sepsis-induced major organ failure.
Music
- The third verse of "Weird Al" Yankovic's "Everything You Know Is Wrong" has the singer get a paper cut which gets infected, leading to his death.
Tabletop Games
- Dead of Winter: One random event has a player character meet a fellow Zombie Apocalypse survivor with a cut on his arm. He laughs it off, but the player has to choose whether to let him into the Home Base and roll the dice against a zombie outbreak there.
- Mage: The Awakening: As physical manifestations of Platonic ideals, Astras have one function that they perform perfectly. One example is a sword that instantly kills anyone it strikes.
- Warhammer 40,000:
- Weapons blessed by the Chaos gods Nurgle, Slaanesh, and Tzeentch are often capable of killing an opponent by inflicting the smallest of injuries, using virulent plagues, exquisitely agonizing toxins, and horrific uncontrolled mutation respectively. Weapons blessed by Khorne tend not to do this; if you're gonna use the Blood God's blessing on your weapon, you'd better be using said weapon to spill blood the old-fashioned way instead of poking people like a twerp.
- The weapons of the Drukhari are near-universally envenomed, ensorcelled, or otherwise enhanced such that even the slightest injury will leave the victim helplessly writhing in agony. However, while these scratches are crippling and incapacitating, they're rarely actually deadly — the Drukhari's survival hinges on their ability to take living captives, and the fate that awaits these captives is far worse than simple death.
- The poisoned blades used by the Imperium's Callidus temple assassins are coated in toxins so potent that even a tiny scratch can be lethal to the target. The neuro-gauntlets used by Eversor temple assassins are technically also capable of this, but since the wielder of that weapon is an Eversor assassin, the injuries a target receives are likely to be rather more extensive and immediately fatal than a simple scratch.
- Warhammer: Age of Sigmar:
- The weapons of the Maggotkin are bathed in contagions, and a single nick is all they need to spread to a hapless victim, rapidly bringing about their demise.
- The Daughters of Khaine enjoy coating their blades in poison, while the weapons of the Blood Sisters can petrify their victims with a single scratch, encasing them in crystal.
- The gitz of the Spiderfang dip their weapons in the venom of their beloved arachnaroks for better lethality.
Theatre
- Adler & Gibb: Sam injures himself while climbing over the fence into Adler & Gibb's old house. Louise immediately comments that it looks nasty, but Sam insists it's nothing. When he meets Gibb she comments that it's "bleeding all down-" but he interrupts to say it's just a nick. Gibb responds that the air is bad and he ought to clean and cover it; Sam collapses and dies from the wound near the end of the play, leaving Louise alone with Gibb.
- Hamlet: During the climactic duel, Hamlet is winning against Laertes but gets slashed by Laertes's blade, which was coated in poison by Claudius to ensure Hamlet's death. Hamlet still manages to mortally wound Laertes, kill Claudius, and make a big speech before succumbing to the poison.
Video Games
- Arknights: One of the infection vectors for the incurable, fatal disease Oripathy is having an open wound exposed to Originium. Several characters in the game contracted the disease from otherwise inconsequential injuries that were inflicted by or contaminated with Originium crystals.
- Armored Core: For Answer: In the missions "Defeat White Glint" and "Defend Line Ark" (which depict the same events, but with the player character on opposite sides), Otsdarva gets his NEXT's main booster disabled by White Glint, removing its ability to fly. Ordinarily such damage would mission-kill the NEXT, but be easily survivable for its pilot; however, since the battle takes place over open ocean, Otsdarva promptly starts sinking. Even this could potentially be survivable, but it then turns out his NEXT also suffered a minor hull breach, which lets water into the cockpit and leads to Collared's #1 ranked LYNX suffering an unceremonious death by drowning. This all turns out to be a big ruse; what actually happened is Otsdarva faked his death so he could take on the role of Maximillian Thermidor, the leader of ORCA.
- Batman: Arkham Origins: When Batman encounters Copperhead, she manages to scratch him across the cheek. While a minor scratch, her fingernails are tipped with poison, and he soon becomes delirious and starts to hallucinate while fighting to make his way to an area where Alfred can drop the antidote. All while likewise fending off Copperhead's attacks.
- Final Fantasy XIV
- The Void is a world that has entirely succumbed to darkness, and darkness pervades every mote of its existence. Just standing in the Void isn't super-healthy to people from the Source, as the darkness tries to corrupt a person's aether, and a wound will quickly make things worse. During the Crystal Tower raids, Nero tol Scaeva ends up in the Void, and his wounds quickly allow the darkness to seep into his flesh, eating away at his aether. He's on the edge of becoming a voidsent before the corruption is purged.
- The antagonist of the Lv 50-60 Red Mage quests has the ability to make a single scratch lethal by sucking the aether from the wound. During the boss fight, if you're at less than max HP when he uses a certain attack, say hello to massive damage.
- God of War (PS4): Baldr is completely unkillable, able to No-Sell or quickly heal from virtually everything Kratos can throw at him, but, when he grabs Atreus, he accidentally pricks himself with the mistletoe arrow Atreus was using to hold his quiver on, which breaks the spell that was protecting him, giving Kratos a chance to actually kill him.
- Janga, a villainous cat from Klonoa Heroes: Densetsu no Star Medal, bears long claws that can poison anyone scratched by them. The game lets us know who two of his victims were: Butz, Guntz's father (killed prior to the game's events), and Klonoa (who's given an antidote in time after Janga's death.
- Leisure Suit Larry 6: Shape Up or Slip Out!: If Larry tries to lift weights in La Costa Lotta's weight room, one of the weights falls on Larry's foot. The resulting injury becomes gangrenous, resulting in Larry's death (again).
- Metal Gear: Zero's vegetative state (as seen in Metal Gear Solid 4: Guns of the Patriots), which left him unable to correct his mistakes with Cipher and the Patriots and ultimately led to so much suffering in the world, is revealed in Metal Gear Solid V: The Phantom Pain to have been caused by him pricking his finger on a pin badge that Skull Face had infested with parasites.
- Oni: Pretty much the entire plot of the game can be traced back to researcher-turned-activist Jamie Hasegawa (née Kerr) and her decision to explore the heavily-polluted quarantine zone beyond the reach of the city's atmosphere processors without proper protective equipment. During one such excursion, Jamie got a scratch on her leg, which quickly became massively infected and led to her agonizing death. This in turn drove her husband and her brother to research the Daodon Chrysalis, which led to the Syndicate and TFTC taking an interest, which led to the Chrysalis being implanted in Jamie's children Muro and Mai (a.k.a. the protagonist Konoko), which ultimately led to thousands of people dying in Muro's terrorist attack on the atmosphere processors at the climax of the game. All because Jamie didn't wear long pants that day.
- An actual gameplay element in Resonance of Fate. Automatic weapons such as uzis can't deal direct damage: rather they deal "scratch damage", turning large chunks of enemy health bars blue. The scratch damage they take slowly heals, but any damage they take in the meantime immediately turns the temporary scratch damage into actual, lethal "true damage". The basic gameplay cycle is "empty a magazine of machine gun ammo into an opponent, filling their entire health bar with scratch damage, them looking none the worse for wear, then shoot them once with a pistol and knock them on their ass". It's even commented on by certain enemies as they succumb.
"It seemed like such a... little wound...!"
- In Terrible Treasures, a Licensed Game for Horrible Histories, one minor character on the "Terrible Tudors" level is a ghost. When asked how she died, she responds that she died from a minor cut from her sewing needle, which got infected.
Visual Novels
- The Labyrinth of Grisaia: Highly skilled assassin Kusakabe Asako was lightly wounded in the shoulder during one of her missions. This injury led to her developing treatment-resistant venous thrombosis, which causes her health to deteriorate later in life and ultimately kills her.
Web Animation
- RWBY: When Qrow and Tyrian fight in Volume 4, the only injury Qrow receives is a thin scratch across the midsection. Unfortunately, Tyrian is a scorpion faunus and that scratch came from his stinger, meaning Qrow starts coughing up discolored blood shortly afterwards and spends most of the rest of the volume incapacitated and slowly dying until he's able to receive proper medical attention.
Webcomics
- In Drowtales, this is what ultimately dooms the legendary warrior Quain'tana. During a duel with Sarv'swati she gets a cut on her cheek that she initially ignores, only for the wound to fester because the blade was coated in some sort of poison (implied to be some sort of fungus since she states only splashing alcohol on it gives her any relief). This means when one of her generals attempts a coup she is weakened, and ultimately succumbs to her injuries after killing the traitorous general.
- Freefall: During a storm, Florence gets a cut on her leg that quickly turns out life-threatening due to the risk of bleeding out. When Dr. Thurmad heals her, at some point he comments that she likely wouldn't have lasted five more minutes.
- The Order of the Stick: When Therkla, a powerful Ninja, turns against her Evil Mentor, he waits for a distraction and scratches her In the Back with a Poison Ring. The poison incapacitates her immediately and kills her on the next page.
- Stand Still, Stay Silent: In Copenhagen, Sigrun is attacked and bitten by a small troll, but pretends to be fine to look strong in front of the crew. Eventually, it starts impairing Sigrun's ability to fight and prevents her from killing a troll heading under the vehicle, allowing it to infect Tuuri with the Rash Illness and resulting in her death. Mikkel later looks at Sigrun's bite and discovers her arm has become badly infected due to her neglect, though it's still treatable and she's fine by the second arc.
- Unsounded: Ana gets bitten by Pantoffel, and while the wound is nasty her spells should allow her to easily leach any infection from it. Instead, she allows the infection to spread while wallowing in grief and self-recrimination until a magical superweapon uses it as an entry point to possess her.
Websites
- SCP Foundation: In the uncensored logs for SCP-835, a tiny, undetected breach in their diving suit and a minor oversight in decontamination procedures ultimately results in the log's author transforming into a new instance of SCP-835.
Western Animation
- 6teen: In "Dude of the Living Dead", Kristen is scratched by a zombie, but since it's believed that the infection can only spread through bites, she dismisses it as a minor injury. This notion is proven to be incorrect, as she quickly transforms and attacks her best friends.
- Adventure Time: Fionna and Cake: In the second episode of Season 1, Finn suffers some cuts on his back landing on a clump of sharp brambles during a fight. He plays it off like it's no big deal and only asks how cool the scars will be, but in Season 2 it's shown that the brambles had actually injected him with a lethal magical poison. By the time Huntress Wizard finds him, he's fallen into a coma and is teetering on the verge of death.
- Arthur: In "Arthur's Knee", this get touched on by Brain after Arthur gets a nasty cut on his knee from serrated tin can while exploring a junkyard, explaining to him what'll happen if he doesn't get it properly treated. Arthur is reluctant, since that would reveal he went to the junkyard against his parents' wishes and get him into trouble, but ultimately realizes that he can't ignore the wound.
- Futurama: In "The Sting", Fry and Leela are both stung by a baby Queen Space Bee. Although Leela gets only a minor wound, the end of the episode reveals that this is where all the poison went, which put her into a two-week-long coma which she may not have woken up from. Comparatively, Fry got a major wound but he only needed a spleen replacement. (Ironically, most of the episode made the audience believe that Leela was unharmed whilst Fry was dead.)
- Transformers: Prime: Zigzagged in "Thirst". When Airachnid dispatches the zombified CYLAS, the only injury she receives is a small scratch on her neck from CYLAS's feeding tendril, but this is enough to transform her into a Terrorcon. On the one hand, since she managed to retain her sentience (unlike the other Terrorcons) and is now in the process of turning her army of Insecticons into an army of Insecticon Terrorcons, this is potentially a much worse thing for everyone else than it is for Airachnid; on the other hand, Airachnid and her Insecticons are also left stranded on one of Cybertron's moons at the end of the episode, and because of the Terrorcon infection, there is a very real chance that she and her followers will burn through all of their Energon and starve to death before anyone finds them. Unfortunately, since this is the last time Airachnid shows up in this particular continuity, the audience never learns her ultimate fate.
- The Wild Thornberrys: In "Hello, Dolphin!", Debbie is swimming with dolphins when she gets her leg caught in some coral and opens up a small cut on her foot as she struggles to get loose. At first, she's too busy trying not to drown to care, but the cut becomes a problem when the smell of blood in the water attracts a couple of nearby tiger sharks.
Real Life
- Truth in Television: In general, any wound, no matter how small, can become dangerous or even life-threatening if it is allowed to become infected.
- Tetanus, or lockjaw, is caused by a bacterium that can remain dormant in soil or animal feces for extended periods of time. When these bacteria find their way into a body through an open wound (such as fiction's ever-popular "stepping on a rusty nail"), the toxins from the resulting infection can cause muscle rigidity and spasms, with potentially lethal complications arising from breathing problems or nerve damage. This is why it's important to keep up with those tetanus booster shots!
- Most animals don't care where they step, so their paws and claws are often coated in bacteria. Their teeth tend to be worse, so even a small bite or cut can leave you with a nasty infection. Cat Scratch Fever, for example, is an infection usually caused by a cat bite or scratch. While the infection isn't usually lethal, it can still cause problems such as a fever, headache, and swelling around the wound.
- Speaking of bites, human bites are very dangerous for this reason. While our mouths lack the shape and power to do as much physical damage as an animal's mouth, the human mouth is an outright cesspool of bacteria and very often contains more contagions than an animal bite. A bite from a human is much more likely to become infected or cause tendon or nerve damage than an animal bite, and that's not even factoring in the risk of diseases like HIV or Hepatitis that can be spread by bites.
- Paper cuts can be pretty painful but are ultimately harmless, right? Not so if the cut gets infected. People have caught flesh-eating bugs or developed sepsis this way requiring numerous surgeries and sometimes even amputation to stop the infection from spreading any further.
- Something as small as a scratch can still result in an infection of rabies if it is caused by an infected animal. It is thus strongly advised by doctors that anyone who gets a cut from a bite or scratch from a wild or stray animal receive a vaccination shot right away, because by the time symptoms of rabies begin to present, it is too late and your prognosis esentially amounts to "Make funeral arrangements immediately, because you will die."
- Tetanus
- Hemophilia is a disorder that interferes with the clotting of blood, meaning if a hemophiliac gets a cut, it will continue bleeding well past the point where a normal injury would have scabbed over. Bleeding to death from a literal scratch isn't actually the primary danger from this condition — a bigger problem is internal bleeding, particularly into the brain, caused by minor bumps that wouldn't cause any problems in a person without hemophilia.
- According to legend, the Viking chieftain Sigurd Eysteinsson beat the Scot chief Mael Brigte in battle by bringing twice the agreed-upon number of men to the battle. Mael was decapitated and his head attached to Sigurd's saddle, but Sigurd scratched his leg on Mael's teeth and died after the wound was infected. This isn't unheard of for human bites, as the bacteria in human teeth are known for being especially virulent when they get in a wound, complete with common and potentially lethal staph infections.
- Jack Daniel, an American distiller whose name adorns a famous brand of whiskey, died in 1907 of blood poisoning. A common anecdote of his untimely passing attributes this to an injury he incurred from kicking his safe in a bout of frustration over forgetting its combination and breaking his toe, which led to sepsis.
- The English poet Rupert Brooke died in World War I — as a result of a mosquito bite that became infected and caused sepsis. Mosquito bites in general can be this trope, given the number of deadly diseases they can transmit. One bite and the victim could wind up dying of malaria.
- World War II:
- In 1941, Reserve Constable Albert Alexander of Oxford was dying of Staphylococcus and Streptococcus. Emergency treatment with the then-experimental antibiotic penicillin improved his condition, but the limited supply was not enough to save the constable's life, and he died on March 15, 1941. The story made public at the time was that the cause of Albert's infection was a scratch from a rose bush. It was later revealed that he had been actually been scratched by a fragment from a German bomb, the truth having been withheld at the time so as not to alarm the British public.
- When SOE agent Violette Szabo (the inspiration for the film Carve Her Name with Pride and, much more loosely, the video game Velvet Assassin) was receiving parachute training in early 1944, her first jump resulted in a bad landing and a severely sprained ankle. About six months later, during her second mission in occupied France, this same ankle would give out on her while she was trying to escape from a German roadblock, leading directly to her capture and eventual death in a concentration camp.
- The loss of the IJN aircraft carrier Taihō at the Battle of the Philippine Sea was set into motion when the ship took a single torpedo hit from the submarine USS Albacore early in the battle. Usually, a single torpedo strike is survivable for a carrier, and Taihō, being an armored carrier, was tough enough that its only damage was the hole in the hull, a jammed aircraft elevator, and an avgas leak; not even enough to stop her from launching aircraft. Unfortunately, several structural errors resulted in the leaking fuel pooling in the broken elevator shaft, and Taihō's inexperienced damage control crew were not able to handle the situation properly, didn't know how to deal with gas leaks (they should've covered the leak with fire suppression foam to stop it evaporating, but apparently didn't think of that because it wasn't actually on fire) and eventually tried using the ventilation system on full blast to get some fresh air in- which just resulted in the highly flammable fumes spreading across the entire ship, meaning it was only a matter of time before something sparked and the entire thing blew. And roughly 6 1/2 hours after the initial hit, the inevitable happened and two massive explosions tore through the ship, causing her to sink with the loss of most of her crew.