Anaphylaxis: Recognise It, Inject Adrenaline
Hesitation kills more than the reaction itself.
Dr. Sophie Renard
Allergist
Sudden multi-system reaction usually with skin involvement plus respiratory, cardiovascular, gastrointestinal or neurological signs.
Common triggers
Foods (peanut, tree nuts, shellfish), insect stings, medications (antibiotics, NSAIDs), latex, exercise-induced.
Immediate action
- Intramuscular adrenaline (anterolateral thigh)
- Call emergency services
- Lay flat with legs raised (unless breathless)
- Repeat adrenaline after 5-10 min if no response
After the reaction
Hospital observation 4-6 hours, allergy referral, two adrenaline injectors and an emergency action plan.
Antihistamines and steroids do not treat anaphylaxis — adrenaline is the only first-line therapy.
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