Methods Patient blind, parallel group, randomised, controlled study of two study arm. 54 patients were given AST (GroupA) and control group of 57 patients given injection normal saline (placebo) (GroupB). AST/Placebo was given every week for 9 weeks and then followed-up for another 3 weeks. Levocetrizine was advised to be taken SOS in both groups. AU was diagnosed by autologous serum skin test....

Nonsedating antihistamines are the fi rst-choice treatment for all forms of urticaria. In patients with recalcitrant urticaria who do not respond to conventional doses of antihistamines, current guidelines recommend increasing doses by up to 4 times in order to obtain better control of the disease. Although few studies have been conducted, there are convincing data from controlled trials for ce...