Chronic urticaria: 'Keep' is the operative word here. Is the duration now 4-6 weeks? If so, you have chronic hives, and the issues change from finding a 'cause' (unusual for chronic hives) to treament. Various antihistamines, steroids (prednisone) have been used for decades. Exciting new treatment is once a month Xolair. It has been helpful in giving relief and avoiding long term steroids. Find an allergist nearby.
Answered 9/16/2015
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