urticaria

/ˈʌrdəˌkɛriə/

/ətiˈkɛriə/

Definitions of urticaria

1. noun

   an itchy skin eruption characterized by weals with pale interiors and well-defined red margins; usually the result of an allergic response to insect bites or food or drugs
   synonyms: hives, nettle rash, urtication

   type of:

   efflorescence, rash, roseola, skin rash

   any red eruption of the skin

   hypersensitivity reaction

   an inappropriate and excessive reaction to an allergen (as pollen or dust or animal hair or certain foods); severity ranges from mild allergy to severe systemic reactions leading to anaphylactic shock