IMAGES PROVIDED BY:
American Academy of Dermatology: “Hives.”
American College of Allergy, Asthma & Immunology: “Hives (Urticaria),” “Pet Allergies,” “Latex Allergy.”
American Family Physician: “Exercise-Induced Anaphylaxis and Urticaria.”
American Osteopathic College of Dermatology: “Urticaria,” “Dermatographism.”
Asthma and Allergy Foundation of America: “Insect Allergies.”
Kids Health: “Hives (Urticaria).”
Mayo Clinic: “Alcohol Intolerance,” “Sun allergy,” “Hives and angioedema.”
NHS Choices: “Urticaria (Hives) - causes,” “Struggling with Stress?”
Reviewed by Stephanie S. Gardner, MD on March 06, 2017
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THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.