DRUG FOR THE TREATMENT OF ALLERGIC RHINITIS COMPRISING PGD2 ANTAGONIST AND HISTAMINE ANTAGONIST

摘要

A drug for the treatment of allergic rhinitis, characterized in combining: (A) a compound represented by formula (I), or a pharmaceutically acceptable salt thereof; and (B) at least one compound selected from the group consisting of cetirizine, fexofenadine, and loratadine, or pharmaceutically acceptable salts thereof. The effect of this drug for the treatment of allergic rhinitis is greater than the sum of the effects of administering each of the drugs independently for allergic rhinitis, and the present invention is thus useful as an drug for the treatment of allergic rhinitis having a potent effect.