suppository
A solid medical preparation inserted into the rectum or vagina, where it dissolves.
Since the fever is high, let's use a suppository.
この座薬は冷蔵庫で保管してください。
Please keep this suppository in the refrigerator.
Standard modern spelling.
Variant using the older form of the kanji 坐. Still seen, but 座薬 is more common.
Compound of 座 (seat, sitting) and 薬 (medicine), referring to a medicine that is inserted while seated or lying down. The variant 坐 uses an older form of the same character.