EXTERNAL PATCHES CONTAINING ETOFENAMATE

摘要

The present invention provides patches having excellent skin-permeability and therapeutic effect for the drug with less irritation. There is provided an external patch in which an adhesive layer containing an adhesive base and a drug are laminated with a backing, the external patch having an adhesive base containing 5-50 % by weight of synthetic rubber polymer, 10-60 % by weight of adhesive resin and 25-60 % by weight of liquid paraffin, and the drug is etofenamate. According to the present invention, the patches provide excellent skin-permeability and therapeutic effect for the drug with less irritation.