<;P>;PROBLEM TO BE SOLVED: To realize a stable preparation by inhibiting the production of crystals in a composition containing a quaternary ammonium salt and a chlorpheniramine maleate salt. <;P>;SOLUTION: This composition of a preparation for external use includes the quaternary ammonium salt, the chlorpheniramine maleate and a chloride ion-supplying source. <;P>;COPYRIGHT: (C)2010,JPO&INPIT