Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology
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Ann. Allergy Asthma Immunol. · Mar 2010
Randomized Controlled Trial Multicenter StudyEfficacy and safety of levocetirizine in improving symptoms and health-related quality of life in US adults with seasonal allergic rhinitis: a randomized, placebo-controlled study.
Levocetirizine, a second-generation antihistamine for symptomatic treatment of allergic rhinitis and chronic idiopathic urticaria, has not been previously studied in US patients. ⋯ Levocetirizine was well tolerated and was significantly more effective than placebo in improving the naso-ocular symptoms and health-related quality of life in US patients with SAR.