Table I.

General characteristics of the cases with physical urticaria.

Case	Age (years)	Sex	Duration of disease (months)	UAS7 at baseline	Type of urticaria	Total IgE (UI/ml)	Previous treatment	Dose of omalizumab	Duration	Effect
1	38	F	7	42	Cold	828	4 AH1, 2 AH2, LTRA	300 mg/month	6 months	Yes
2	17	M	25	42	Factitia	348	4 AH1, AH2, LTRA, OCS	300 mg/month	5 months	No

F, female; M, male; AH1, H1-antihistamines; 4AH1, four-fold higher doses of AH1; AH2, H2-antihistamines; LTRA, leukotriene receptor antagonist; OCS, oral corticosteroids.