Antonyms of noun over-the-counter_medicine

1 sense of over-the-counter medicine

Sense 1
over-the-counter drug, over-the-counter medicine -- (a drug that is sold without a prescription)
       Antonym of prescription medicine (Sense 1)
      => prescription drug, prescription, prescription medicine, ethical drug -- (a drug that is available only with written instructions from a doctor or dentist to a pharmacist; "he told the doctor that he had been taking his prescription regularly")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun over-the-counter_medicine

1 sense of over-the-counter medicine

Sense 1
over-the-counter drug, over-the-counter medicine -- (a drug that is sold without a prescription)
       => medicine, medication, medicament, medicinal drug -- ((medicine) something that treats or prevents or alleviates the symptoms of disease)