Urticaria pp 26-46 | Cite as

Acute and Chronic Urticaria

  • Beate M. Czarnetzki


Urticaria is defined by the appearance of wheals (hives or individual urticae) of any size and configuration on any part of the skin. The wheals consist of a circumscribed, slightly elevated, erythematous, usually pruritic, edematous swelling of the upper dermal tissue which disappears within minutes to hours, leaving a basically unaltered, normal appearing skin (restauratio ad integrum). Similarly transient, erythematous swellings of the deeper cutaneous and the subcutaneous tissue are called angioedema and appear in about 50 % of patients in association with ordinary urticaria (see Chapter 4, p. 47).


Mast Cell Food Allergy Chronic Urticaria Chronic Idiopathic Urticaria Serum Sickness 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1986

Authors and Affiliations

  • Beate M. Czarnetzki
    • 1
  1. 1.Department of Dermatology School of MedicineUniversity of MünsterMünsterGermany

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