Hives Resource Center - All Articles

Hives - All Articles

Hives are raised, itchy welts that result from a skin reaction. Allergies, insect bites, and certain medications may cause hives. They usually aren’t dangerous and often clear up on their own without treatment. Antihistamines can offer relief from itching and swelling; and more severe hives can be treated with anti-inflammatory or immune-suppressing drugs. In an emergency, epinephrine (a type of adrenaline) may be needed to manage a severe attack of hives.

ALL HIVES ARTICLES

Causes of Hives
Causes of Hives
Causes of Hives
How to Treat Hives
How to Treat Hives
How to Treat Hives

FAQ

What causes hives?

Allergic reactions, infections, and certain medications can all trigger hives.

Most cases of hives resolve within a few hours to days, but some may last for weeks. Chronic hives may not go away for months or longer.

No, hives are not contagious.

Cool compresses, wearing loose, comfortable clothing, and antihistamines can help relieve itching from hives.

If you have hives that won't go away after a few days or you experience difficulty breathing or severe swelling, see your doctor.

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Resources
  1. Hives (urticaria). Mayo Clinic. October 27, 2023.