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Signs and Symptoms of Allergic Reactions

This document has been developed by ASCIA, the peak professional body of clinical immunology/allergy specialists in Australia and New Zealand. ASCIA information is based on published literature and expert review, is not influenced by commercial organisations and is not intended to replace medical advice. 

For patient or carer support contact Allergy & Anaphylaxis Australia or Allergy New Zealand.

pdfASCIA PC Allergic Reactions Signs Symptoms 2024187.32 KB

 Signs of Anaphylaxis (Severe Allergic Reaction)

It is important to watch for ANY ONE of the signs of anaphylaxis shown above.
Follow the instructions on the ASCIA Action Plan for Anaphylaxis, or the
ASCIA Action Plan for Allergic Reactions, or the ASCIA First Aid Plan for Anaphylaxis.
GIVE ADRENALINE (EPINEPHRINE) DEVICE and call an ambulance.

A mild to moderate allergic reaction (see below) may occur before anaphylaxis.

Signs of Mild Moderate Allergic Reactions

© ASCIA 2024

For more information go to www.allergy.org.au/patients/about-allergy