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What causes hives?

Dr. Jeanne Morrison, PhD
Family Practitioner

Hives are the result of an allergic reaction to something, such as a food, medication, bug bite, or other substance. For some reason, the body finds these things threatening, and it releases chemicals that irritate the skin. Other disorders or infections can sometimes cause hives, too.

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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.