To evaluate the efficacy of Autologous Whole Blood Therapy versus conventional treatment using fourfold dose of antihistamines in Autologus serum skin test (ASST) positive and negative Chronic Idiopathic Urticaria (CIU) patients and suggest its possible mechanism of action.
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change in urticaria activity score (UAS7) from baseline to 8 weeks
Timeframe: 12 months