Health Tip: What Causes Hives?

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(HealthDay News) -- Hives are an allergic skin reaction caused by the body's release of histamine.

The American Academy of Allergy Asthma & Immunology mentions these common causes of hives:

Exposure to an allergic trigger.

Eating something that triggers an allergic reaction.

Exercising, or exposure to heat.

Being bitten by an insect.

Having an allergic reaction to a medication.

Date Published: 9/29/2014 9:15:04 AM

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