For non-aggressive wasps I've had great luck spraying nests with this Spectracide wasp remover in the evening. For a nest up high in an eave, soffit, or tree, this Gotcha pole adapter clamps onto the can so you can spray from the end of an extension pole and treat the nest from 10+ feet away instead of standing right under it. And for anything aggressive I wear this ridiculous-looking upper torso beekeeping suit and keep my distance. It seems silly, but trust me, I learned the hard way.
If you’ve just been stung by a wasp, the first few minutes matter more than anything you put on the sting later. Most people do the right things in the wrong order. They stop to look at the sting, swat at the wasp, or go hunting for whatever hit them, and sometimes they get stung again because of it.
This guide is written for the moment you’re in right now. It goes in order: get away safely, check for the warning signs that mean you need help, treat the sting, and then work out why it happened so it doesn’t happen again. If you only read one section, read Step 2. It tells you how to know when to be concerned about a wasp sting.
Emergency first: If the person who was stung has trouble breathing, swelling of the face, lips, tongue, or throat, hives spreading over the body, dizziness, or feels faint, call 911 immediately. If they have an epinephrine auto-injector (such as an EpiPen), use it now. Don’t wait to see whether symptoms get better.
Your first job isn’t first aid. It’s getting away from the wasps. A single sting is rarely a crisis, but standing next to a disturbed nest can quickly turn one sting into ten.
Walk or run away calmly and steadily. Aim for at least 50 to 100 feet of distance, or get inside a building or car if one is close. Social wasps like yellow jackets mostly defend the area right around their nest, so distance is your best protection.
Don’t swat or crush the wasp. This is the most common mistake. In many social wasps, including yellow jackets, a crushed or agitated wasp releases an alarm pheromone, a chemical signal that tells nearby nestmates to attack. Slapping a wasp on your arm while standing near its nest can bring more wasps toward you. Brush it away with a smooth sweep if it’s still on you, then keep moving.
Protect your face and head. If several wasps are chasing you, pull your shirt collar up or cover your face with your hands or arms as you leave. Stings to the face, eyes, and neck are the most dangerous and the most painful.
Don’t jump into a pool or pond. It’s a popular myth from movies. Wasps can hover over the water and sting you when you come up for air.
Get other people and pets away too. Children often freeze or start flailing, and both can lead to more stings. Pick up small kids if you can and leave together.
If you were stung by a single wasp that was just passing by, such as a forager at your soda can or picnic plate, there may be no nest nearby at all. Still, move a few steps away before doing anything else. You can’t always tell which situation you’re in.
Once you’re safe, take a minute to check how the person who was stung is doing. Most wasp stings cause only a normal local reaction: sharp pain, a red welt, and some swelling right at the sting site. That’s uncomfortable but not dangerous. Our guide to a normal wasp sting reaction explains in detail what this typically looks like.
What you’re watching for is anything that goes beyond the sting site. Severe allergic reactions (anaphylaxis) usually start within minutes, and most begin within the first hour.
Call 911 right away if the person stung has any of these:
If an epinephrine auto-injector is available, use it at the first sign of a systemic reaction, then call 911, even if the person starts to feel better. A second wave of symptoms can occur. While waiting for help, have the person lie down with their legs raised, unless they’re having trouble breathing, in which case sitting up may be easier. Our guide to an allergic reaction to a wasp sting covers anaphylaxis in more depth.
Some stings deserve a call to a doctor, urgent care, or Poison Control (1-800-222-1222 in the U.S.) even when there are no signs of an allergic reaction:
If the pain, redness, and swelling stay around the sting itself and the person otherwise feels fine, you can almost always treat the sting at home. Keep an eye on them for the next hour, then move on to Step 3.
With the person safe and no emergency signs, first aid is simple. Here’s the order that works best.
If the sting is on a hand, wrist, arm, or foot, take off rings, bracelets, watches, and tight shoes now, before the swelling builds. Swelling usually peaks a day or two after the sting, and a ring stuck on a swollen finger is a real problem.
Wasps almost never leave their stinger behind. Their stingers are smooth, so a wasp can pull it out and sting again (see can wasps sting more than once). If you find a small dark splinter in the center of the welt, you were probably stung by a honey bee, not a wasp. Scrape it out right away with a fingernail or the edge of a credit card. Getting it out quickly matters more than how you do it. Our guide to a wasp stinger in skin explains what to look for and how to remove it.
Clean the sting gently with soap and water. A sting is a small puncture wound, and washing lowers the chance of infection later.
Hold an ice pack or cold compress wrapped in a thin cloth on the sting for 10 to 20 minutes at a time, with breaks in between. Cold is the single most effective home treatment. It dulls the pain and slows swelling. Never put ice directly on bare skin.
You’ll see a long list of home remedies online, including baking soda, vinegar, toothpaste, honey, and meat tenderizer. Most are harmless, but few have much evidence behind them, and none work as well as cold. Our guide on what to put on a wasp sting sorts out what actually helps and what to avoid.
Wasp stings often itch badly a day or two later. Scratching breaks the skin and is the main way stings become infected. Keep fingernails short on kids, and use cold or an anti-itch cream instead.
Knowing the usual timeline helps you tell normal healing from a problem:
| Time After Sting | What’s Typical |
|---|---|
| First few minutes | Sharp, burning pain; a red, raised welt forms |
| First few hours | Pain eases; mild swelling and redness around the sting |
| 24 to 48 hours | Swelling may peak; itching often becomes the main complaint |
| 3 to 7 days | Swelling and redness gradually fade |
| 1 to 2 weeks | A small mark may linger before disappearing completely |
Some people have a large local reaction, where swelling spreads well beyond the sting, for example across the whole forearm or hand. It usually peaks at 24 to 48 hours and can take a week or more to go away. It’s uncomfortable, but it is not the same as a dangerous allergic reaction. For the full breakdown, see how long a wasp sting lasts and our guide to wasp sting swelling after 48 hours.
Check back on the sting over the next several days. Contact a doctor if you notice:
If you’re not sure whether what you’re seeing is normal, compare it with the photos and descriptions in our guide to what a wasp sting looks like, or call a nurse line.
Once the sting is taken care of, it’s worth asking two questions: what stung you, and why? The answers tell you whether you’re likely to be stung again.
If you saw the insect, our yellow jacket sting guide and wasp sting pain scale can help you narrow down the culprit from how it looked and how much it hurt.
Wasps don’t usually sting at random. Most stings are defensive, a reaction to something the wasp sees as a threat to itself or its nest. The most common triggers are:
Our article on whether wasps sting for no reason explains wasp defensive behavior in more detail. If you were stung more than once, or several wasps came after you, there’s a good chance you were close to an active nest.
If you think a nest caused the sting, don’t go looking for it right away, and definitely not while the wasps are still stirred up. Wait until the area has calmed down, then look carefully from a distance:
Small, early-season paper wasp nests in easy-to-reach spots can sometimes be handled by a careful homeowner, ideally at night when the wasps are inside and calm. Large nests, underground yellow jacket nests, nests inside walls, and anything high off the ground are much more dangerous. They’re best left to a professional, and that goes double for anyone who has had a significant reaction to a sting. Our wasp nest removal safety guide and guide to underground wasp nests explain the options. Our guide on when to call a wasp exterminator covers what a professional visit involves.
Trying to deal with a nest without a plan is how one sting turns into twenty. For a first-hand account of exactly how that happens, read the stupid reason I got stung 20+ times.
Children react to stings much like adults, but they’re more likely to panic, scratch, and get stung several times. Calm them, move them away, and follow the same steps. Because children are smaller, several stings mean a relatively bigger dose of venom, so call a pediatrician or Poison Control if a young child has multiple stings. Watch closely for any allergy symptoms. Check with a pharmacist or the label for the right dose of any medicine for a child.
Pets are often stung on the face, mouth, or paws while chasing or snapping at wasps. Facial swelling, drooling, pawing at the mouth, hives, vomiting, weakness, or collapse are reasons to call your veterinarian right away. Don’t give human medications without your vet’s advice. See our guides for a dog stung by a wasp and a cat stung by a wasp.
If you’ve ever had a systemic reaction, such as hives over your body, swelling of the face or throat, or trouble breathing after a sting, talk to your doctor about seeing an allergist. They can confirm a venom allergy, prescribe epinephrine auto-injectors to carry, and discuss venom immunotherapy (allergy shots), which greatly reduces the risk of future severe reactions in most people who complete it.
Be concerned if symptoms spread beyond the sting site, such as trouble breathing, swelling of the face or throat, spreading hives, dizziness, or vomiting. Those are signs of an allergic reaction and need emergency care. Also seek care for stings in the mouth, throat, or eye, for many stings at once, or if signs of infection appear days later. Pain, redness, and swelling at the sting site alone are normal.
Most severe allergic reactions begin within minutes to an hour after the sting. That’s why the first hour is the most important time to watch someone closely. Delayed reactions are much less common, but a rash, fever, or joint pain appearing a week or more later should still be checked by a doctor.
Most wasp stings don’t need an ER visit. Go to the emergency room, or call 911, for any signs of a systemic allergic reaction, stings in the mouth or throat that cause swelling, or a large number of stings. For stings near the eye, large swelling that limits movement, or a sting that looks infected, urgent care or your doctor is usually the right choice.
Yes. Unlike honey bees, wasps have smooth stingers and can sting repeatedly. That’s one reason it’s so important to move away from the wasp, and especially from its nest, before doing anything else.
The itch comes from your body’s immune response to the venom, not from the venom still being active. It usually peaks a day or two after the sting and fades within a week. Cold, hydrocortisone cream, or an oral antihistamine can help, and not scratching lowers the risk of infection.
Not always. If a lone wasp stung you away from any nest, there’s nothing to remove. But if you were stung near your home, especially by several wasps, there’s likely an active nest close by that will keep causing problems through the season. Locate it carefully from a distance and decide whether it’s safe to remove yourself or a job for a professional.
Getting stung by a wasp is painful, but for most people it isn’t dangerous. Get away from the area first, without swatting. Then spend a few minutes watching for symptoms that spread beyond the sting, because those are the ones that matter. If none appear, wash the sting, use cold, take over-the-counter relief if needed, and expect it to fade over several days. Finally, figure out why it happened. A nest near your door, deck, or lawn will keep stinging people until it’s dealt with safely.
This article is for general educational purposes and isn’t a substitute for professional medical advice. If you’re unsure whether a sting needs medical attention, contact your doctor, a nurse line, or Poison Control at 1-800-222-1222. In an emergency, call 911.