A suppository — a medicated substance inserted into the rectum or vagina for absorption. Often used when oral administration is difficult, for children with fever, etc.
熱が高いときは小児科で座薬を入れてもらった。
When the fever was high, the pediatrician gave (me/the child) a suppository.
吐き気がひどくて薬が飲めないので、座薬を処方された。
Because I couldn't keep medicine down due to severe nausea, I was prescribed a suppository.
座薬は手で温めてから奥へ丁寧に挿入することが多い。
Suppositories are often warmed in the hand and then inserted gently and deeply.
薬局で『坐薬』と表記された製品を見つけた。
I found a product labeled '坐薬' at the pharmacy.