Pain-relieving and anti-inflammatory plaster.

摘要

An anti-inflammatory analgesic patch having a drug-reserver layer comprising 4-biphenylylacetic acid as the effective ingredient, a homo- and/or co-polymer of acrylic acid and ordinary adjuvants such as a shape-retaining agent, humectant, thickener, etc., which is characterized in that said drug reserver further contains crotamiton and pH of the drug reserver is adjusted within a range of 6 to 8 with a water-soluble organic amine and an organic acid.