Allergic reaction

Request an online visit for Allergic reaction. A licensed provider reviews your case and prescribes treatment when appropriate.

Medically reviewed by Dr. Ikechukwu Ogbu, MD
MD · Board-Certified, Internal Medicine · Last reviewed
Dr. Ikechukwu Ogbu, MD — Medical Director
Dr. Ikechukwu Ogbu, MD

Board-Certified · Internal Medicine · Medical Director

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About Allergic reaction

Allergic reactions range from localized hives and itching to systemic anaphylaxis with airway swelling, wheeze, hypotension, and GI symptoms. Common triggers include foods, medications, insect stings, latex, and exercise. Mild reactions often respond to a non-sedating oral antihistamine and removal of the trigger. Anaphylaxis is a medical emergency: intramuscular epinephrine is first-line and should not be delayed for antihistamines or steroids. Anyone with a history of anaphylaxis should carry two epinephrine auto-injectors and have an action plan.

Common questions

Reference only. Not a substitute for medical advice. Not appropriate for emergencies or controlled substances.