Got Stung by a Paper Wasp? Here Is Exactly What to Do (and When to Worry)

You are relaxing in your garden on a sunny afternoon when a sudden sharp pinch hits your arm. You pull back quickly and spot a slender, reddish-brown insect buzzing away. It is a paper wasp, and you have just been stung.

Getting stung by a wasp can ruin your day and cause an uncomfortable sting that makes you wince. However, knowing what to expect and how to treat it can keep you calm and safe. Let us walk through everything you need to know about paper wasp stings without fear.

Who Are Paper Wasps and What Is a Sting?

Simply put, a paper wasp sting happens when these flying insects use their built-in stinger to inject venom into your skin. Paper wasps are usually about an inch long, measuring between 13 and 25 millimeters. They can be red, brown, black, or orange in color.

You will often see yellow markings on their bodies, especially around their faces or bellies. People call them paper wasps because they build nests out of wood pulp that looks remarkably like grey paper.

A paper wasp sting hurts quite a bit, but it is rarely serious for most people. However, some people can develop severe, whole-body reactions known as systemic reactions or anaphylaxis. If that happens, you need emergency medical care right away.

Stings on sensitive areas like your eyes, eyelids, head, face, or neck also require quick medical attention. Even if a severe body-wide reaction does not occur, swelling in these delicate areas can quickly become dangerous.

Paper wasps live nearly everywhere in the world except Antarctica, with hundreds of different species. They often build their nests in hidden, protected locations around homes and gardens:

• Under roof eaves, door frames, and window overhangs on buildings.
• Inside dark attics and along wooden ceiling beams.
• Beneath tree branches and hidden inside thick garden bushes.

Yellowjackets and hornets are related stinging insects that also build paper-like nests. Some of their nests look almost identical to paper wasp nests. Because paper wasps, hornets, and yellowjackets belong to the same family, people often find them hard to tell apart.

What Are the Symptoms After a Wasp Sting?

When a paper wasp stings you, symptoms usually stay localized to the exact spot where the insect injected venom. These typical local reactions include:

• Pain: A sharp, burning sting at the injury site.
• Redness: The skin around the puncture turns red and warm.
• Swelling: Edema develops around the sting area.
• Hives: Small bumps or raised welts called urticaria may appear.
• Itching: Pruritus or an intense itchy sensation around the sting.
• Warmth: The skin feels hot when you touch it gently.
• Mild fever: Some people develop a low-grade fever slightly above 38 degrees Celsius or 100.4 degrees Fahrenheit.

These localized symptoms usually fade away within a few hours. However, mild redness and itching can sometimes linger for a couple of days.

Large Local Reactions.

Sometimes, in about 10 percent of cases, these symptoms spread further and feel much more intense. Doctors call these larger responses large local reactions. You might notice several distinct differences:

• Larger swelling: Instead of a small bump, swelling can spread across an area up to 4 inches or 10 centimeters wide. If a wasp stings your forearm, the entire arm might swell up greatly.
• Worse pain: People with large local reactions report that the pain feels much sharper and more severe than a normal sting.
• Timing and duration: These reactions usually start between 6 and 12 hours after the sting. They peak within one or two days and can take up to five to ten days to completely disappear.

Systemic Reactions.

Systemic reactions affect your entire body and can range from mild discomfort to a life-threatening emergency. A severe reaction can turn into dangerous anaphylaxis within minutes. For this reason, if you notice any warning signs below, call 911 in the US or Canada, 999 in the UK, or your local emergency number right away.

• Breathing trouble: Difficulty breathing, wheezing in your chest, swelling in your tongue or throat, or trouble swallowing.
• Skin changes: Widespread flushing, hives appearing far away from the sting site, itching, or severe rashes.
• Stomach issues: Nausea, vomiting, severe stomach cramps, or diarrhea.
• Circulation drops: Dizziness, lightheadedness, fainting, or distributive shock.
• Heart changes: Rapid or irregular heartbeat and weak pulse.
• Nervous system: Seizures or loss of consciousness.

If you have experienced anaphylaxis from an insect sting in the past, your risk of a severe reaction from a paper wasp sting is much higher. Roughly 3 percent of adults and 1 percent of children experience these whole-body systemic reactions.

Delayed Reactions and Serum Sickness.

Sometimes, a hypersensitivity reaction can appear anywhere from six days to two weeks after a wasp sting. Doctors refer to this condition as serum sickness. It happens as a delayed allergic reaction to the insect venom.

Serum sickness symptoms can include:

• Fever .
• Muscle aches or joint pain .
• Skin rashes or hives .
• Itching .

These symptoms are usually mild and resolve on their own within a few days. However, some lingering effects can sometimes persist for several weeks.

✨ Wellness care Verified Partner

Natural Pain and Sleep Wellness Care

Herbal wellness products for back pain, joint pain and insomnia.

Check Availability →

Why Do Paper Wasps Sting?

Paper wasps sting strictly for self-defense. They only attack when they feel that they or their nest are threatened. However, research shows that paper wasps are generally less aggressive than yellowjackets or hornets.

Here are a few important facts about how paper wasps behave:

• They do not leave their stingers behind: Wasps, hornets, and yellowjackets have smooth stingers that do not detach. This means they can sting you multiple times. Honeybees can only sting once before they die.
• They target your face: If provoked, paper wasps often aim for your face and eyes.
• Potent sting, less venom: A wasp can deliver a painful sting, but a typical paper wasp sting injects only about one-tenth of the venom found in a honeybee sting.
• Flexible stinging angles: A wasp can bend its abdomen and sting in almost any direction. Even if you hold its wings carefully, it can still sting you.
• Solitary or small group attackers: Usually, only one or two wasps will try to sting you at the same time.
• Activity times: Wasps stay active during daylight hours. In North America, stings peak during August and September. In warm tropical climates, they remain active year-round.

How Do Doctors Diagnose a Wasp Sting?

A doctor can easily diagnose a paper wasp sting by examining the affected skin and asking about your symptoms. Most routine stings do not require complex medical testing.

However, if your doctor suspects that you have a specific allergy to wasp venom, they may recommend further testing. These can include blood tests, specifically an allergy blood test, along with other specialized allergy testing methods. If you experience delayed serum sickness symptoms, your doctor might also order a urinalysis.

If you experience a severe systemic reaction, your doctor may recommend additional diagnostic evaluations to keep you safe in the future.

How Do You Treat a Wasp Sting?

Paper wasps typically do not leave their stingers in your skin. However, if you spot a stinger, remove it right away. Use a thin, blunt-edged object like a credit card or a dull butter knife. Scrape the edge firmly across your skin toward the stinger to brush it out.

Never use tweezers to pull out a stinger. Tweezers can squeeze the venom sac and push even more venom into your body.

Once you clear the area, monitor your symptoms closely. If you have a known insect allergy and notice whole-body symptoms, act right away. Use your prescribed epinephrine autoinjector and seek emergency medical care without delay.

If you do not have an allergy, you can treat a standard sting with these steps:

• Cold compresses: Apply a cold washcloth or an ice pack wrapped in a cloth to the sting site for 10 to 15 minutes to reduce swelling. Never apply bare ice directly to your skin.
• Elevate the limb: Raise the stung arm or leg above the level of your heart to help minimize swelling.
• Antihistamines: Over-the-counter oral antihistamines like diphenhydramine can help control allergic symptoms and itching. You can also apply hydrocortisone cream or calamine lotion to soothe skin irritation.
• Pain relievers and anti-inflammatory drugs: Over-the-counter pain relievers like acetaminophen can reduce discomfort. Your doctor may also recommend nonsteroidal anti-inflammatory drugs or NSAIDs, such as ibuprofen or naproxen, which relieve both pain and swelling.

How Do You Treat a Sting on the Eye?

If a wasp stings your eye or the delicate skin right around your eye, seek emergency medical care right away. Prompt treatment prevents swelling and other complications from damaging your vision.

Getting stung directly on your cornea is extremely painful because the surface of your eye contains dense nerve endings. Medical treatments for eye stings vary based on severity. They may include prescription antihistamines, pain relief drops, and anti-inflammatory medicine. Doctors may also use specialized rinsing techniques to flush any remaining venom safely from your eye surface.

How Are Delayed Serum Sickness Reactions Treated?

Serum sickness reactions usually resolve on their own. However, doctors often prescribe medicines to keep you comfortable and reduce inflammation while your body recovers. In severe cases, a brief hospital stay may be necessary to monitor your kidney function and vital signs. Your doctor will discuss what to expect based on your unique symptoms.

Do Home Remedies Work for Minor Stings?

People use many different home remedies for wasp stings. Popular examples include applying a paste made from baking soda and water, or meat tenderizer containing the enzyme papain.

Medical research shows that these popular home remedies are generally not very effective at neutralizing venom. However, applying a cool compress is safe and soothing. While home pastes are unlikely to cause major harm, medical treatments provide reliable relief.

What Should You Expect After a Wasp Sting?

For most people, a paper wasp sting is nothing to panic about. Fortunately, localized pain, redness, and swelling subside within a few hours or days for the vast majority of people.

However, if you develop a severe systemic reaction, it can escalate quickly. Even mild systemic symptoms can rapidly progress into a life-threatening medical emergency. That is why doctors always treat whole-body symptoms as urgent medical situations.

Can You Prevent Paper Wasp Stings?

You can prevent many paper wasp stings by taking simple precautions around your home and yard. Here are the most effective steps you can take:

• Watch for nests: Inspect your garden paths, outdoor furniture, and roof overhangs before working outdoors.
• Stay calm: Do not swat, swing at, or agitate wasps when you see them. Slapping at a wasp often triggers a defensive sting.
• Wear plain clothes: Avoid bright floral prints and vivid colors that attract stinging insects.
• Skip strong scents: Avoid wearing scented perfumes, colognes, and heavily fragranced lotions outdoors.
• Secure outdoor trash: Keep garbage cans tightly closed with secure lids.
• Cover food and drinks: Never leave sweet drinks, sugary snacks, or pet food uncovered outside.
• Never touch injured wasps: Even a dying or dead wasp can sting if you accidentally press against it.
• Remove nests safely: If you find a nest, hire a pest control professional to remove it safely, especially during the quiet evening hours when wasps are inactive.
• Move away calmly: If multiple wasps approach, walk away steadily while shielding your face and nose with your hands.

Preventing Severe Allergic Reactions.

Venom immunotherapy is a powerful preventative treatment that greatly reduces your risk of severe, life-threatening systemic reactions. This specialized treatment involves receiving a series of allergy shots with gradually increasing doses of wasp venom over time.

This process helps train your immune system so it stops reacting violently to future wasp stings. Venom immunotherapy has a success rate between 80 percent and 95 percent.

Once you complete a full course of immunotherapy, your risk of having anaphylaxis from a future sting drops below 5 percent. However, even people who finish venom immunotherapy must always carry an epinephrine autoinjector just in case.

What Questions Should You Ask Your Doctor?

If you visit a doctor or clinic after a paper wasp sting, ask these helpful questions before you leave:

• How should I properly treat lingering swelling and itching at home?
• What specific symptoms should prompt me to call your office?
• Which warning signs mean I should go straight to the emergency room?
• Should I see an allergist for formal venom testing?
• Am I a good candidate for venom immunotherapy shots?

Do Wasp Stings Cause Infections?

Wasp stings and insect bites do not usually cause bacterial infections on their own. However, if you scratch an itchy sting with unwashed hands, you can introduce bacteria from your skin into the wound. This can lead to a secondary skin infection.

To prevent this, try your best to resist scratching the sting site. Keep the area clean and dry while it heals.

Are Wasp Stings More Painful Than Bee Stings?

It is difficult to say for certain which insect sting hurts more. The Schmidt Sting Pain Index classifies insect sting pain on a scale from 0 for the mildest stings up to 4 for the most severe pain.

A honeybee sting generally ranks at a level 2. Paper wasp stings typically rank between level 2 and level 3 depending on the specific wasp species.

However, comparing exact pain levels remains challenging for two main reasons:

• Location of the sting: Stings on sensitive nerve-rich areas of your body hurt much more. For example, stinging your fingertip causes far more pain than stinging a muscular part of your leg.
• Personal pain tolerance: Pain is entirely subjective. What feels agonizing to one person might feel mild to another.

Spending time outdoors and dealing with flying insects is never completely worry-free. While paper wasp stings hurt, their effects are usually short-lived and mild. It is completely natural to feel cautious or anxious about getting stung again, especially if you have suffered a severe reaction in the past.

Fortunately, you can take many practical steps to protect yourself and your family from wasps. If you have been prescribed an epinephrine autoinjector, always keep it within arm's reach and check its expiration date regularly. Venom immunotherapy offers powerful long-term protection if you suffer from severe insect allergies.

Getting stung once can make you feel jittery, but do not let fear stop you from enjoying nature safely. With the right knowledge, you can handle wasp encounters calmly and confidently.