薬

薬 = kusuri = medicine

そのビン(瓶)には 24 回分の薬が入っている
Sono bin niwa nijuuyon kaibun no kusuri ga haitte iru.

In this bottle contains 24 doses of medicine.

火曜日にお医者さんから注射とお薬を処方してもらい、
Kayoubi ni oishasan kara chuusha to okusuri o shohoo shite morai.
On Tuesday, he received a medication prescription and an injection from the doctor.