First aid for a wasp sting
Unlike bees, wasps do not leave a barbed stinger in the skin, so your first step is simply to move away from the area. Wasps can sting multiple times, and disturbing a nest or a foraging wasp can trigger further stings from nearby workers.
Once you are clear of the wasp, follow these steps:
- Wash the area with soap and water to reduce the risk of infection.
- Apply a cold compress, such as a bag of frozen peas wrapped in a cloth, for ten to fifteen minutes. This reduces swelling and dulls the pain.
- Raise the affected limb if the sting is on an arm or leg. Keeping it elevated helps limit swelling.
- Take an over-the-counter painkiller such as paracetamol or ibuprofen if the pain is bothersome. Always follow the dosage instructions on the packet.
- Apply a mild hydrocortisone cream or antihistamine cream to ease itching. An oral antihistamine tablet can also help if the local redness and swelling are spreading.
Avoid scratching the sting site. It will not help the venom disperse and can break the skin, inviting infection. Most minor reactions settle within a few hours, though some localised swelling can persist for a day or two, particularly on soft tissue such as the face or hands.
Normal reactions versus something more serious
It is worth knowing the difference between a normal sting reaction and one that needs medical attention. A typical reaction produces sharp pain at the site, a raised wheal, redness, and some swelling. All of this is your immune system responding to the venom, and it usually resolves without any treatment.
A large local reaction is more pronounced. The swelling extends well beyond the sting site, sometimes covering an entire limb, and can last up to a week. It looks alarming, but it is not a sign of anaphylaxis. An oral antihistamine and cold compress will help. If you are concerned, or the swelling is interfering with movement or breathing, contact your GP or call NHS 111 for advice.
An anaphylactic reaction is rare but a medical emergency. Symptoms can appear within minutes and may include:
- Sudden swelling of the face, lips, throat, or tongue
- Difficulty breathing, wheezing, or a tight feeling in the chest
- Dizziness, nausea, or a rapid drop in blood pressure
- A widespread rash or hives appearing away from the sting site
- Feeling faint or losing consciousness
If you or someone nearby shows any of these signs, call 999 immediately. If the person has a prescribed adrenaline auto-injector such as an EpiPen, use it straight away and still call 999. Do not wait to see whether symptoms improve on their own.
People who are at higher risk
Most healthy adults experience a sting as an unpleasant but short-lived event. Certain groups face a greater risk of a serious reaction and should be particularly cautious around wasps:
- Anyone with a known allergy to wasp venom
- People who have had a severe reaction to a previous sting
- Young children and older adults, whose immune responses may differ
- Anyone with underlying heart or respiratory conditions
If you fall into any of these categories and have not already spoken to your GP, it is worth doing so. Your doctor can arrange allergy testing and, if appropriate, prescribe an adrenaline auto-injector for you to carry. Some people with a confirmed venom allergy are also eligible for desensitisation treatment on the NHS.
When wasps keep coming back
A one-off sting is bad enough. If wasps are regularly getting into your home or garden, there is almost certainly a nest nearby. Attempting to treat an active nest without the right equipment is genuinely dangerous. Wasps become highly aggressive when their nest is threatened, and a disturbed colony can deliver a large number of stings in a very short time.
Our qualified technicians locate the nest, apply a professional insecticide treatment, and ensure the colony is dealt with safely. We are a family run company, fully insured, and every treatment comes with a clear written guarantee. Same day and next day appointments are often available across the UK, so you are not left waiting while a nest grows larger.
If you have been stung repeatedly or have found a nest on your property, getting it removed professionally is the only reliable way to stop the problem. Contact us and we will take it from there.