The present invention provides antituberculous therapeutic drugs with a higherpotency. The present invention provides also antituberculous therapeutic drugscontaining oxazole compounds represented by (I) general formula (1): [whereinR1 represents a hydrogen atom or C1-6 alkyl group, n represents an integer of0-6, and R2 represents general formula (A) or the like, wherein R3 representsa phenoxy group (at least one group selected from the group consisting of ahalogen atom, an optionally halogen-substituted C1-6 alkyl group and anoptionally halogen-substituted C1-6 alkoxy group may be substituted on thephenyl ring) or the like], optically active forms thereof or salts thereof,and drugs (II) such as primary antituberculous drugs.