A pharmaceutical composition comprising 6-[4-(1-cyclohexyl-1H tetrazol-5-yl)butoxy]-3,4 dihydrocarbostyril

Abstract

The invention relates to a medicament for treating chronic Obstructive pulmonary disease comprising as active ingredients a carbostyril derivative of formula (1): wherein A is a lower alkylene group, R is a cycloalkyl group, the bonding between 3- and 4 positions of the carbostyril skeleton is a single bond or a double bond, or a salt thereof; and probucol.