Anaphylaxis is an extreme and potentially life -threatening allergic reaction, which results in rapid chemical changes in the body. Anaphylaxis can be caused by a ‘Trigger’ such as insect stings, foods (e.g. nuts or shellfish) and medicines (such as penicillin)


  • Swelling of the mouth, tongue, face and neck
  • Difficulty in breathing
  • Red, blotchy and itchy skin
  • Nausea
  • Anxiety


  • Call for an ambulance (999/112)
  • Encourage the casualty to use their medication if applicable (Antihistamine or auto injector)
  • Sit the casualty down (If responsive)
  • Remove the trigger if possible
  • Monitor the casualty (Airway and Breathing)
  • Be prepared to carry out basic life support

Here is a video from the British Red Cross that shows how to treat Anaphylaxis