Anaphylaxis is a severe, life-threatening allergic reaction that can develop within minutes. Common triggers include peanuts, tree nuts, shellfish, insect stings, latex and some medicines.
Warning signs include:
- Swelling of the lips, tongue or throat.
- Difficulty breathing, wheezing or a hoarse voice.
- Feeling faint, dizzy or confused, or collapsing.
- Widespread hives, vomiting or stomach pain.
What to do: use an epinephrine (adrenaline) auto-injector if one is available, then call emergency services immediately. Lie the person down with their legs raised, or let them sit up if breathing is difficult. A second dose may be needed if symptoms do not improve, following the device instructions. Always go to the hospital, even if symptoms ease. People with a known severe allergy should carry two auto-injectors.
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This article is for general information only and is not a substitute for advice from a qualified health professional.
