Objective: To observe the clinical effects of Blood-Nourishing and Wind-Expelling Prescription combined with antihistamine drugs on chronic urticaria. Methods: Totally 98 patients with chronic urticaria treated in this hospital between December,2011 and December,2012 were randomized into control group( 49 cases) given conventional antihistamine drugs and observation group( 49 cases) additionally given Blood-Nourishing and Wind-Expelling Prescription for the treatment. Results: The effective rate was 95. 9% ...