Symptoms
Sudden swelling of face/throat, difficulty breathing, rapid pulse, dizziness, widespread hives, after exposure to an allergen.
Cause
A severe, whole-body allergic reaction to food, insect stings, medication, or other triggers.
Prevention
Strict avoidance of known triggers, carrying an epinephrine auto-injector if prescribed, wearing a medical alert bracelet.
Treatment
Immediate adrenaline (epinephrine) injection if available, call emergency services, lie down with legs raised unless breathing is difficult.
See a doctor if
This is always a medical emergency — call for help immediately, even if symptoms seem to improve initially.
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Frequently Asked Questions
What are the early symptoms of Anaphylaxis?
Sudden swelling of face/throat, difficulty breathing, rapid pulse, dizziness, widespread hives, after exposure to an allergen.
What causes Anaphylaxis?
A severe, whole-body allergic reaction to food, insect stings, medication, or other triggers.
How can Anaphylaxis be prevented?
Strict avoidance of known triggers, carrying an epinephrine auto-injector if prescribed, wearing a medical alert bracelet.
What is the treatment for Anaphylaxis?
Immediate adrenaline (epinephrine) injection if available, call emergency services, lie down with legs raised unless breathing is difficult.
When should I see a doctor for Anaphylaxis?
This is always a medical emergency — call for help immediately, even if symptoms seem to improve initially.
Reviewed by the Swasthya Suchi pharmacy team for general accuracy · Last updated: 2026-08-10