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Could I lose consciousness as a complication of hives?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)

Severe cases of hives can produce swelling inside the mouth or throat that can make a person lose consciousness by cutting off breathing. This is a medical emergency that requires immediate care. Hives are a very common allergic reaction to various drugs, foods, and certain conditions. The raised, red, itchy welts vary in size and can appear as small spots or large blotches. Consult a dermatologist or allergist for more information.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.