ANTI-INFLAMMATORY AND ANALGESIC DRUG FOR EXTERNAL USE

摘要

The present disclosure provides an external preparation comprising lactic acid salt of lidocaine and diclofenac or a salt thereof, wherein lactic acid salt of lidocaine is contained in an amount of 2-5 moles per mole of diclofenac or a salt thereof, which exhibits the improved transdermal absorbability of lidocaine and diclofenac which are active ingredients as well as the skin permeability suitable for clinical use.