Anaphylaxis is a life-threatening allergic reaction that happens very quickly. It can be caused by food, medicine or insect stings. 

Call 112 / 911 / 999 (or another number for a country you're in) if you think you or someone else is having an anaphylactic reaction.

Check if it's anaphylaxis

Symptoms include:

It can also cause a rash that's swollen, raised or itchy.

What to do if you have anaphylaxis

Do not stand or walk at any time, even if you feel better.

Treatment for anaphylaxis

Anaphylaxis needs to be treated in hospital immediately.

Treatments can include

Things you can do to help prevent anaphylaxis



Do not leave your adrenaline auto-injectors anywhere too hot or cold such as in the fridge or outside in the sun

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