Korean J Med.  2021 Aug;96(4):363-367. 10.3904/kjm.2021.96.4.363.

Aquagenic Urticaria Treated with Omalizumab

Affiliations
  • 1Department of Internal Medicine, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
  • 2Department of Dermatology, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea

Abstract

Aquagenic urticaria is a rare form of physical urticaria in which a 1-2 mm wheal is produced by contact with water. Treatment options include antihistamines, ultraviolet monotherapy, topical barrier creams, and acetylcholine antagonists. Despite these pharmacologic measures, the symptoms are frequently refractory to therapy. Aquagenic urticaria lowers the patient’s quality of life and causes daily discomfort. Recently, a patient with aquagenic urticaria treated with omalizumab was reported. Here, we describe a 22-year-old man with a 3-year history of aquagenic urticaria confirmed by a water immersion test. Because he showed no improvement with antihistamines, the patient began omalizumab treatment and demonstrated an excellent response. This case provides new information for clinicians.

Keyword

수인성; 두드러기; 오말리주맙; Urticaria; Aquagenic; Omalizumab
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