Drug allergy history and symptoms

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Charmaine Patel, M.D. [2]

Drug Allergy
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Symptoms of Drug allergy

• Anaphylaxis, or severe allergic reaction (see below).
• Hives.
• Itching of the skin or eyes (common).
• Skin rash (common).
• Swelling of the lips, tongue, or face.
• Wheezing.

Symptoms of anaphylaxis include:

• Abdominal pain or cramping.
• Confusion.
• Diarrhea.
• Difficulty breathing with wheeze or hoarse voice.
• Dizziness.
• Fainting, lightheadedness.
• Hives over different parts of the body.
• Nausea, vomiting.
• Rapid pulse.
• Sensation of feeling the heart beat (palpitations).