Hives (Urticaria & Angioedema)

Hives facts

  • Hives (medically known as urticaria) are red, itchy, raised areas of skin that appear in varying shapes and sizes, each one characteristically lasts no longer than six to 12 hours.
  • Hives are very common, and most often their cause is elusive.
  • Hives can change size rapidly and move around, disappearing in one place and reappearing in other places, often in a matter of hours.
  • Ordinary hives flare up suddenly.
  • Occasionally hives are produced by direct physical stimulation by environmental forces like heat, cold, and sunlight.
  • Treatment of hives is directed at symptom relief until the condition goes away on its own.
  • Antihistamines are the most common treatment for hives.
  • Hives typically are not associated with long-term or serious complications. Continue Reading
Reviewed on 10/13/2015
Skin Pictures Slideshow: Adult Skin Problems


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