Common First Aid Myths That Could Actually Make Things Worse
- Anthony Kidd
- Mar 20
- 3 min read
Most people pick up first aid tips the same way — from a parent, a TV show, or a coworker who "knows what to do." And while the intentions are good, some of that advice is outdated, incomplete, or just plain wrong. In an actual emergency, acting on a myth can turn a manageable situation into a more serious one.
Here's a look at eight of the most common first aid misconceptions, along with what current American Heart Association (AHA)-aligned guidance actually recommends.
Myth #1: Tilt Your Head Back During a Nosebleed
It seems like tilting back would keep blood from coming out — but all it really does is redirect it down your throat. That can lead to choking, nausea, or vomiting, none of which you want to deal with on top of a nosebleed.
What to do instead:
Sit upright and lean slightly forward
Pinch the soft part of the nose (not the bridge)
Hold steady pressure for 10 full minutes — no peeking
Myth #2: Put Butter or Grease on a Burn
This one's been around for generations. The idea is that something thick and cool-feeling will soothe the skin. In reality, butter and grease trap heat inside the burn and create an environment where bacteria thrive.
What to do instead:
Run cool (not ice-cold) water over the burn for at least 10 minutes
Cover with a clean, dry dressing
Skip the ointments unless a medical professional tells you otherwise
Myth #3: Use Hydrogen Peroxide or Rubbing Alcohol on a Cut
Both of these are common medicine cabinet staples, and both feel like they're doing something useful. The problem is that they're too aggressive — they damage healthy tissue around the wound and can actually slow the healing process.
What to do instead:
Rinse the wound thoroughly with clean running water
Clean gently around the edges with mild soap
Cover with a sterile bandage and change it regularly
Myth #4: Induce Vomiting After Poisoning
The instinct to "get it out" makes sense — but depending on what was ingested, vomiting can cause additional harm. Some substances are more dangerous coming back up than they were going down.
What to do instead:
Call Poison Control immediately: 1-800-222-1222
Follow their instructions exactly
Do not give food, water, or anything else unless specifically directed
Myth #5: Put Something in the Mouth of a Seizing Person
This myth probably originated from the idea that someone could swallow their tongue during a seizure — which is anatomically not possible. Putting an object in someone's mouth during a seizure can result in broken teeth, a bitten finger, or a jaw injury.
What to do instead:
Cushion their head with something soft
Clear the surrounding area of hard or sharp objects
Once the seizure ends, gently roll them onto their side
Myth #6: Apply Ice Directly to the Skin
Ice works well for swelling — but direct contact with bare skin can cause frostbite-like damage, especially if left in place too long.
What to do instead:
Wrap ice or a cold pack in a cloth or thin towel first
Apply for 10–20 minutes at a time, with breaks in between
Myth #7: Only Start CPR If You Can't Find a Pulse
This one is particularly important to get right. Older first aid training sometimes emphasized checking for a pulse before beginning CPR, but that guidance has changed. A layperson checking for a pulse under stress is unlikely to do it accurately — and the delay costs critical time.
What to do instead:
If someone is unresponsive and not breathing normally, start CPR immediately
Don't wait. Early CPR dramatically improves survival outcomes.
Myth #8: Always Give Water for Heat Illness
Hydration matters — but not the same way in every heat-related emergency. Heat exhaustion and heat stroke are two distinct conditions, and treating them the same way can make things significantly worse.
What to do instead:
Heat exhaustion: Move them to a cool area and offer small sips of water if they're alert and able to swallow
Heat stroke: This is a medical emergency — call 911, then focus on cooling them down immediately. Do not give fluids.
First Aid Myths Stick Around Because They Sound Logical
That's what makes them so persistent. A lot of these tips feel intuitive in the moment — lean back for a nosebleed, slather butter on a burn, check for a pulse before doing CPR. But emergencies don't leave room for guesswork, and the cost of the wrong instinct can be real.
The best way to feel genuinely confident in an emergency isn't memorizing tips — it's completing hands-on, current training that gives you the muscle memory and judgment to actually respond well.
CPR Safety 411 offers First Aid training aligned with the latest AHA guidelines, designed for workplaces, childcare providers, schools, and community organizations across Pennsylvania.
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