The present invention provides an external preparation excellent in allergy treatment effect, the external preparation is formed by combining (A) one or more components selected from the group consisting of ketotifen and pharmaceutically acceptable salts thereof, with (B) one or more components selected from the group consisting of quinolone antibacterial agents, saccharides and inorganic salts.本發明係提供過敏治療效果優越之外用劑,係由(A)1種以上選自由可多替芬及該等藥學上容許之鹽所成群組之成分及(B)1種以上選自由喹啉酮系抗菌劑、糖類及無機鹽類所成群組之成分組合而成之外用劑。由於本案的圖僅為實驗數據,並非本案的代表圖。故本案無指定代表圖。
