Drugs for aspiration pneumonia, pneumonia, or lung abscess

摘要

The present invention relates to a therapeutic agent for respiratory infections having higher efficacy and safety. [Solution] 7-[(3S, 4S) -3-{(cyclopropylamino) methyl} -4-fluoropyrrolidin-1-yl] -6-fluoro-1- (2-fluoroethyl ) -8-methoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid or a pharmaceutically acceptable salt thereof as an active ingredient therapeutic agent for aspiration pneumonia, pneumonia or lung abscess.