prescription drug

US /prɪˈskrɪp.ʃən drʌɡ/
UK /prɪˈskrɪp.ʃən drʌɡ/
"prescription drug" picture
1.

a pharmaceutical drug that legally requires a medical prescription to be dispensed

:
You need a prescription drug for that condition.
Always follow your doctor's instructions when taking a prescription drug.