外がい用よう薬やく

noun

medicine for external use; topical medicine

Refers to medications applied to the skin or mucous membranes, such as ointments, creams, and patches, as opposed to internal medicines.

• この外がい用よう薬やくは1日にち2回かい患かん部ぶに塗ぬってください。

  Please apply this topical medicine to the affected area twice a day.