処方薬

prescribed medicine
medication by prescription

prescribe　ﾌﾟﾘ スｸﾗｲﾌﾞ  v)医師が薬を処方する
prescription  ﾌﾟﾘ スｸﾘﾌﾟｼｮﾝ  n)処方箋

Prescribed medicine is better than over the counter medicine.