医者から処方箋をもらい、薬局へ行きました。
Isha kara shohousen o morai, yakkyoku e ikimashita.
I received a written prescription from the doctor and went to the pharmacy.
この薬の購入には処方箋が必要です。
Kono kusuri no kounyuu ni wa shohousen ga hitsuyou desu.
A written prescription is necessary to purchase this medicine.