Methods for treating urticaria using optically pure (+) cetirizine
AssigneeSepracor Inc.
InventorNancy M. Gray
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Abstract
Methods are disclosed utilizing optically pure (+) cetirizine for the treatment of urticaria in humans while avoiding the concomitant liability of adverse effects associated with the racemic mixture of cetirizine.
Claims6
A method of treating chronic and physical urticaria in a human which comprises administering to a human in need of such therapy an amount of (+) cetirizine, or a pharmaceutically acceptable salt thereof, substantially free of its (-) stereoisomer, said amount being sufficient to alleviate symptoms of chronic and physical urticaria.
A method of treating chronic and physical urticaria in a human, while avoiding the concomitant liability of sedation associated with racemic cetirizine, which comprises administering to a human in need of such therapy an amount of (+) cetirizine, or a pharmaceutically acceptable salt thereof, substantially free of its (-) stereoisomer, said amount being sufficient to alleviate symptoms of chronic and physical urticaria but insufficient to cause said sedation.
Dependencies are inferred from the claim text.