noun
gargle medicine; mouthwash
Medical term for a liquid used to gargle or rinse the mouth, often for therapeutic purposes.
のどが痛いので、含嗽薬でうがいをした。
My throat hurt, so I gargled with a gargle medicine.
More common everyday term for gargle medicine or mouthwash; 含嗽薬 is a formal medical term.
Compound of 含嗽 (gargling) and 薬 (medicine). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning.