| abstract |
The present invention provides a lotion preparation that has antimicrobial properties and also has elevated stability of the active ingredient. The preparation contains no additives with safety problems. The lotion preparation contains a lotion preparation comprising (a) 1-cyclopropyl-8-methyl-7-[5-methyl-6-(methylamino)-3-pyridyl]-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid and/or a pharmaceutically acceptable salt thereof, (b) at least one of ethanol and isopropanol, (c) a water-soluble cellulose derivative, and (d) 1 ,3-butylene glycol, and wherein the preparation has a pH of 9 to 12 |