Acute urticaria

Last Updated: 2021-11-19

Author(s): Navarini A., Anzengruber F.

ICD11: EB00.0

Urticaria that has persisted for less than 6 weeks.

  • Lifetime prevalence: 20%
  • In 50% of all cases, the occurrence of acute urticaria is associated with angioedema.
  • Children (especially with atopic diathesis) > adults.

  • Infections: Most often, acute urticaria is due to an infection
  • Type I allergies or pseudoallergies
  • Medicines
  • Foods.
  • Insect bites.
  • Augmentation: the interaction of several factors leads to the occurrence of urticaria.
  • Mostly, however, clarification of the cause is unsuccessful.

S. Urticaria

  • Depending on the medical history
  • No laboratory work-up is needed, except:
    • If type I food allergy is present, allergy work-up
    • In case of Vd.a. NSAID / medication trigger blocking of medication and allergological clarification

Angioedema

Transition to chronic urticaria approx. at < 1% Transition to chronic. Urticaria.

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