Anaphylaxis: Overview

Anaphylaxis is a life-threatening extreme allergic reaction to some allergen. The underlying cause is an allergy to some substance. The cause may be a bee sting (or other insect sting), certain foods, certain plants, certain drugs/medications, or other chemicals or toxins. The onset is very rapid and may take only minutes. Emergency medical care is required immediately.

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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.