For a medical emergency call 999. For urgent but non-emergency medical help call NHS 111.

Bites and stings

Most insect bites and stings in the UK are harmless and can be looked after at home. Sometimes though — with an allergic reaction, a bite from a larger animal, or symptoms that get worse — you may need medical help quickly. This section covers common bites and stings, what to do at home, and when to seek advice.

Get advice about your symptoms

If you are unwell and unsure what to do, use one of the routes below. They are free and available across the UK, and can direct you to the right service.

Call 999 immediately in a life-threatening emergency — for example loss of consciousness, severe difficulty breathing, chest pain, severe bleeding or a suspected stroke.

What this section covers

  • Insect bites and stings
  • Nettle and plant stings
  • Human and animal bites
  • Snake and spider bites in the UK
  • Signs of an allergic reaction to look out for

Explore this section

Choose a topic from the list below for more detail. Every page on NHS Direct is general information only and is not a substitute for advice from a doctor, nurse or pharmacist.

See our about page and editorial policy for how we produce and review content.

In this section