Urticaria Guide, Meaning , Facts, Information and Description
Urticaria or Hives is a relatively common form of allergic reaction. Hives are a series of raised red skin welts ranging upwards from 5 mm (about a 1/4 inch) in diameter and often have a pale border. They are caused by direct contact with an allergenic substance (generally a plant, such as poison ivy), or an immune response to food or some other allergen.Some people suffer hives as a result of severe stress.
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