ANTIASTHMATIC DRUG COMPRISING PGD2 RECEPTOR ANTAGONIST AND LEUKOTRIENE RECEPTOR ANTAGONIST

摘要

It is intended to provide an antiasthmatic drug in which the amount of active ingredient is reduced by mixing a PGD2 receptor antagonist and a leukotriene receptor antagonist. The antiasthmatic drug is characterized by comprising as active ingredients, a) a compound represented by the formula (I): a pharmaceutically acceptable salt thereof or a solvate thereof; and b) a leukotriene receptor antagonist, a pharmaceutically acceptable salt thereof or a solvate thereof.