PERCUTANEOUS ABSORPTION PREPARATIONS CONTAINING 3-METHYL-1-PHENYL-2-PYRAZOLIN-5-ON

摘要

Percutaneous absorption preparations (optionally being in the form of patches) which contain as the active ingredient from 0.1 to 30% by mass of 3-methyl-1-pheynyl-2-pyrazolin-5- one represented by the following formula: or its pharmaceutically acceptable salt in an appropriate base, for example, an aqueous base or a rubber base. These preparations (or patches) are excellent percutaneous absorption preparations (or percutaneous absorption patches) showing a high percutaneous absorbability of the active ingredient and little skin irritation.