What are effective treatment options for idiopathic urticaria, and how much does treatment cost?

Patients with idiopathic urticaria need to be on long-term antihistamines to remain asymptomatic. Usually a single oral antihistamine or combinations of antihistamines are needed to be taken daily to control the daily outbreak of hives and itchiness. Trials of 3-6 months of medication can be tested with withdrawal of treatment. The condition can last for several years before resolving spontaneously. The cost will depend on the brand of anti-histamine prescribed.