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Wasps Sting

wasp stings human skin

Wasp stings are injuries caused by the injection of venom from a wasp into the skin. Wasps are flying insects belonging to the Hymenoptera order and are closely related to bees and ants. When a wasp perceives a threat or feels provoked, it can use its stinger, located at the rear of its abdomen, to deliver a painful sting. These stings serve as a defense mechanism and are typically more painful than bee stings due to the nature of the venom and the structure of the wasp's stinger.

Do Wasps Sting Or Bite?

Wasps primarily sting rather than bite. Unlike some other insects, such as mosquitoes or certain ants, which use their mouthparts to bite and then feed on blood or other substances, wasps have specialized structures called stingers, located at the rear of their abdomen. When a wasp perceives a threat or feels provoked, it uses its stinger to deliver a painful sting. The stinger is a modified ovipositor, an organ that wasps originally used to lay eggs.

The purpose of a wasp's sting is primarily for defense. When a wasp stings, it injects venom into the target, which can cause pain, inflammation, and, in some cases, allergic reactions. This venom serves as a deterrent to potential threats, such as predators or individuals who may inadvertently disturb a wasp's nest or territory.

Some people may use the terms "bite" and "sting" interchangeably when describing their experience with wasps, but the correct terminology is "sting" for the action of these insects. The pain and discomfort associated with a wasp encounter are the result of their stinger injecting venom into the skin.

Learn more: Do Wasps Bite?

Why Do Wasps Sting?

Wasps sting as a defensive mechanism when they perceive a threat or feel provoked. Their primary reasons for stinging include:

  • Protection of the Nest: Wasps are highly protective of their nests, which can house the queen, worker wasps, and developing larvae. When they sense a threat to their nest or territory, they become aggressive and may sting to defend it.
  • Self-Defense: Individual wasps may sting to protect themselves when they feel threatened. This can happen when a person or animal inadvertently approaches or makes sudden movements near a wasp.
  • Food Defense: Wasps are also territorial and protective of their food sources, particularly sugary substances like nectar or fallen fruit. If a wasp is feeding and it feels threatened or disturbed, it may sting in response.
  • Stress or Agitation: Even minor disturbances, such as swatting at a wasp, can trigger them to sting. This is often seen when people react fearfully to the presence of wasps, leading to the wasps reacting defensively.
  • Pheromones and Alarm Signals: When a wasp stings, it releases alarm pheromones, which can signal other nearby wasps to become more aggressive and potentially join in the defense.

Wasps do not sting without reason, and their stinging behavior is generally a means of protection rather than aggression. To avoid being stung, it's best to remain calm and avoid provoking or disturbing wasps or their nests. If you find yourself near wasps, slow, deliberate movements and gentle actions are less likely to provoke them into stinging.

Do Wasps Die After They Sting You?

Unlike honeybees, which have barbed stingers that become embedded in the skin and cause the bee to die after stinging, most wasps do not die after they sting.  The pain and discomfort associated with a wasp sting is due to the venom injected into the skin, not whether the wasp dies or not. When stung by a wasp, it's essential to take appropriate measures to treat the sting and watch for any signs of allergic reactions, rather than worrying about the fate of the wasp.

Do Wasps Leave Stingers

Wasps do not typically leave their stingers behind after they sting, unlike honeybees, which have barbed stingers that get stuck in the skin and are torn from their bodies during the stinging process. The absence of a left-behind stinger makes wasp stings distinct from bee stings in this regard. If you are stung by a wasp, you will generally not find a stinger embedded in your skin. Instead, the pain and discomfort associated with a wasp sting are solely due to the venom injected into the skin during the stinging process.

How Many Times Can A Wasp Sting?

Wasps can typically sting multiple times without dying or losing their stingers.  The number of times a wasp can sting may vary, but they are generally capable of stinging multiple times without suffering any ill effects. However, it's important to note that wasps do not usually go on a stinging rampage and will only sting if they feel threatened or if their nest is disturbed. If you encounter a wasp, it's best to remain calm and avoid provoking it to minimize the risk of being stung.

How To Avoid Wasp Stings

Avoiding wasp stings is essential to prevent the discomfort and potential allergic reactions associated with them. Here are some tips to help you minimize the risk of getting stung by wasps:

  • Stay Calm: Remain calm and avoid sudden movements when you are near wasps. Sudden gestures can provoke them.
  • Wear Protective Clothing: If you know you will be in an area with a high risk of encountering wasps, consider wearing long-sleeved shirts, long pants, and closed-toe shoes. Avoid wearing bright colors and floral patterns, as these can attract wasps.
  • Avoid Fragrances: Avoid using perfumes, scented lotions, and hairsprays with sweet or floral scents, as these can attract wasps. Unscented or citrus-scented products may be a better choice.
  • Cover Food and Beverages: When eating or drinking outdoors, keep food and beverages covered, and use lids or straws for drinks to prevent wasps from being attracted to them.
  • Keep Trash Secure: Use sealed trash containers with tight-fitting lids to prevent wasps from being attracted to food scraps and odors.
  • Be Cautious Around Nests: Be aware of the locations of wasp nests. If you see a nest, keep a safe distance and avoid disturbing it. If a nest is near your home or a frequently used area, consider professional removal to eliminate the risk.
  • Stay Away from Swarming Wasps: If you encounter a group of wasps, especially if they are swarming, move away calmly and slowly without waving your arms or swatting at them.
  • Use Caution When Gardening: When gardening or working in areas where wasps might be present, be cautious around bushes, flowers, and other plants that can attract them. Avoid wearing loose clothing that might trap wasps against your skin.
  • Control Sweet Scents: Be cautious when consuming sweet foods and drinks outdoors, as these can attract wasps. Consider using wasp traps or repellents to keep them away from your eating area.
  • Keep Windows and Doors Closed: Ensure that doors and windows are screened or kept closed to prevent wasps from entering your home.
  • Professional Pest Control: If you have recurring issues with wasps around your home, consider hiring a professional pest control service to locate and remove nests safely.

By following these precautions and being mindful of your surroundings, you can significantly reduce the risk of getting stung by wasps.

What Does A Wasp Sting Look Like?

A wasp sting typically appears as a small, raised, and red bump on the skin. The specific appearance of a wasp sting can vary from person to person, and it may also depend on individual skin sensitivity and the body's reaction to the wasp venom. Here is what a typical wasp sting looks like:

  • Bump or Raised Area: The sting site will often be slightly raised or swollen. This swelling is the body's natural response to the venom and usually occurs within a few minutes to an hour after the sting.
  • Redness: The area around the sting will often be red or pink. This redness is a sign of localized inflammation, caused by the immune system's reaction to the venom.
  • Pain and Itchiness: A wasp sting is usually painful and can also be itchy. The intensity of pain can vary, but it's often described as a sharp, burning sensation.
  • Small Puncture Mark: In the center of the red, swollen area, you might be able to see a small puncture mark where the wasp's stinger penetrated the skin. Unlike honeybees, wasps do not leave their stingers behind, so you won't typically find a stinger embedded in the skin.
  • Possibly a White or Pale Area: Around the redness, there may be a white or pale area. This contrast is due to the swelling causing the central area to be pushed up, while the surrounding skin may appear paler.

The size and severity of a wasp sting's appearance can vary, with some individuals experiencing more extensive swelling and redness than others. If you are stung by a wasp and notice severe swelling, widespread redness, or signs of an allergic reaction such as hives, difficulty breathing, or dizziness, it's important to seek medical attention, as these could be indicators of a more severe reaction.

What To Do If You Get Stung By A Wasp

If you get stung by a wasp, follow these comprehensive and expert guidelines on what to do to alleviate pain and reduce the risk of complications. Treating a wasp sting promptly can help alleviate pain and reduce the risk of complications. Here is how to treat a wasp sting:

  • Safety First: Ensure you are in a safe location, away from the area where you were stung to avoid further stings. If you have a known severe allergy to wasp stings and have an epinephrine auto-injector, use it immediately.
  • Remove the Stinger (if visible): Unlike honeybees, wasps typically do not leave their stingers behind. However, if you see a stinger embedded in the skin, gently remove it with a clean pair of tweezers or your fingernail. Be careful not to squeeze the venom sac when doing so.
  • Wash the Area: Clean the affected area with mild soap and water to reduce the risk of infection. Pat it dry with a clean cloth.
  • Apply a Cold Compress: Place a cold compress (a clean cloth soaked in cold water or an ice pack wrapped in a thin cloth) on the sting site for 10-20 minutes. This can help reduce swelling and provide pain relief.
  • Over-the-Counter Pain Relief: If you experience significant pain, you can take over-the-counter pain relievers, such as ibuprofen or acetaminophen, following the package instructions.
  • Topical Remedies (optional): Over-the-counter antihistamine creams or calamine lotion can help relieve itching and discomfort.
  • Elevate the Area (if on an extremity): If the sting is on a hand, arm, foot, or leg, consider elevating it to reduce swelling.
  • Oral Antihistamines (for itching and swelling): If itching and swelling persist, you can take oral antihistamines (e.g., diphenhydramine) following the package instructions.
  • Keep an Eye on Symptoms: Monitor the sting site for any signs of an allergic reaction, such as hives, difficulty breathing, or dizziness. If these symptoms occur, seek immediate medical attention.
  • Seek Medical Help (for severe reactions): If you have a history of severe allergic reactions to wasp stings or if the symptoms are severe, such as difficulty breathing, swelling of the face or throat, or loss of consciousness, call emergency services or go to the nearest hospital.

While the above steps can help manage the discomfort and symptoms of a typical wasp sting, individuals with severe allergies to wasp stings may require immediate medical attention and the use of an epinephrine auto-injector as prescribed by a healthcare professional. Always consult with a healthcare provider if you have concerns or questions about an allergic reaction or if you experience a severe reaction to a wasp sting.

How Long Can A Wasp Sting Last?

The duration of a wasp sting's effects can vary from person to person, depending on several factors, including the individual's sensitivity to the venom and the location of the sting. Here's how long the effects of a wasp sting may last:

  • Initial Pain and Swelling: The initial pain and swelling at the site of the sting are often at their peak within the first few hours after being stung. This acute phase can last for several hours, usually up to a day or so.
  • Redness and Itching: Redness and itching may persist for a few days, and the area can remain slightly swollen. This is a normal part of the body's inflammatory response to the venom.
  • Complete Healing: In most cases, a wasp sting will completely heal within a week to ten days. During this time, the redness, swelling, and discomfort should gradually subside.

Individual reactions to wasp stings can vary, and some people may experience more prolonged or severe symptoms, while others may have milder reactions that resolve more quickly.

If the symptoms of a wasp sting persist or worsen beyond the expected time frame, or if you develop signs of infection (increased redness, warmth, or pus at the sting site), consult a healthcare professional for further evaluation and treatment. Additionally, if you have a known severe allergy to wasp stings and you experience symptoms of anaphylaxis, such as difficulty breathing or loss of consciousness, seek immediate medical attention, as these symptoms can be life-threatening.

Allergic Reaction To Wasp Stings

An allergic reaction to a wasp sting can range from mild to severe, with the most severe form being anaphylaxis, a potentially life-threatening condition. Recognizing the signs of an allergic reaction to a wasp sting is crucial for seeking prompt medical attention. Here are the signs of an allergic reaction, from mild to severe:

Mild Allergic Reaction:

  • Increased Swelling: Swelling at the sting site that extends beyond the immediate area of the sting is a common sign of a mild allergic reaction.
  • Redness: The redness and inflammation around the sting site may be more pronounced than in a non-allergic reaction.
  • Itching: Persistent itching at the sting site.
  • Hives (Urticaria): Raised, itchy welts on the skin that may appear away from the sting site.
  • Mild Respiratory Symptoms: Some individuals may experience mild respiratory symptoms such as nasal congestion, sneezing, or a mild cough.

Moderate Allergic Reaction:

  • Widespread Swelling: Swelling can extend to other parts of the body, including the face, lips, and tongue.
  • Difficulty Breathing: Breathing difficulties, including shortness of breath or wheezing.
  • Nausea and Vomiting: Feeling nauseous or vomiting.
  • Abdominal Pain: Severe abdominal cramps.
  • Dizziness: Feeling lightheaded or dizzy.
  • Confusion: Disorientation or confusion.

Severe Allergic Reaction (Anaphylaxis):

  • Difficulty Breathing: Severe difficulty in breathing, with a feeling of suffocation.
  • Swelling of the Throat and Tongue: Swelling of the throat and tongue can lead to a feeling of a lump in the throat or difficulty speaking.
  • Rapid or Weak Pulse: An abnormally fast or weak pulse.
  • Loss of Consciousness: Fainting or loss of consciousness.
  • Severe Drop in Blood Pressure: A significant drop in blood pressure (shock).
  • Cyanosis: Skin, lips, or nails turning bluish due to a lack of oxygen.

If you or someone you are with experiences severe symptoms or signs of anaphylaxis after a wasp sting, it is a medical emergency, and you should call 911 or seek immediate medical attention. Epinephrine, a medication used to treat severe allergic reactions, may be required in such cases. Individuals with known severe allergies to wasp stings should carry an epinephrine auto-injector and use it as prescribed by a healthcare professional.

Wasp Sting Infection

Wasp stings can become infected, although it's not very common. When a wasp stings, it can introduce bacteria into the skin, and the act of scratching the sting site or not keeping it clean can further increase the risk of infection. Here's how you can prevent and recognize an infected wasp sting:


  • Keep it Clean: After being stung, clean the affected area with mild soap and water and pat it dry gently.
  • Avoid Scratching: Avoid scratching the sting site, as this can break the skin and introduce bacteria.
  • Topical Antibiotic: You can apply over-the-counter antibiotic ointment to the sting site to reduce the risk of infection.

Recognizing Signs of Infection:

Watch for the following signs that may indicate an infection at the wasp sting site:

  • Increased Redness: If the redness around the sting site increases in area or becomes more intense, it could be a sign of infection.
  • Warmth: The area may feel warmer to the touch than the surrounding skin.
  • Pus or Discharge: The presence of pus or any cloudy, yellowish, or greenish discharge is a strong indicator of infection.
  • Increasing Pain: If the pain and discomfort at the sting site worsen instead of improving, it could be a sign of infection.
  • Fever: If you develop a fever or experience systemic symptoms like chills or fatigue, this can be a sign that an infection has spread.

If you notice any of these signs of infection at the wasp sting site, it's essential to seek medical attention. A healthcare professional can assess the situation, prescribe antibiotics if necessary, and provide appropriate treatment to prevent the infection from spreading.