A drug that can be purchased without a prescription (over-the-counter medicine, OTC), generally used for mild ailments.
市販薬は薬局で処方箋なしに購入できる。
Over-the-counter medicines can be bought at pharmacies without a prescription.
風邪の初期症状には市販薬で十分なこともある。
For early cold symptoms, over-the-counter drugs are sometimes sufficient.
副作用が心配なら、市販薬を使う前に医師や薬剤師に相談してください。
If you're worried about side effects, consult a doctor or pharmacist before using OTC medicine.