prescription

Adjective

• available only with a doctor's written prescription
  • a prescription drug
    

Noun

• written instructions from a physician or dentist to a druggist concerning the form and dosage of a drug to be issued to a given patient

• written instructions for an optician on the lenses for a given person

• 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
    

• directions prescribed beforehand; the action of prescribing authoritative rules or directions
  • I tried to follow her prescription for success
    

Related words

• Synonyms: 
  prescription(a) , prescription drug , prescription medicine , ethical drug
• Antonyms: 
  nonprescription(a) , over-the-counter(a) , over-the-counter drug , over-the-counter medicine