Drug-Medicine | Commonly Confused Words

Medicine

/ˈmedsən/

A substance used to treat disease or relieve pain

'Did he take any medicines in the morning?'Something of value to medicine might emerge.He had always stayed and taken his medicine.

This word has no antonyms

/drʌɡ/

A substance used to treat illness or alter the mind or body

Never start taking drugs.'Lady Clarke is usually drugged.The drugs make her suspicious and imaginative.

This word has no antonyms

Drug is a broader term that can refer to any substance causing a physiological effect when ingested or otherwise introduced into the body.
Medicine is specifically intended for health benefits, prevention, cure, or relief from symptoms of illnesses.
All medicines are drugs, but not all drugs are medicines.
Drug can also refer to substances used for recreational purposes, whereas medicine is strictly for therapeutic use.
Remember: medicine is for medical treatment, whereas drug can have a broader use including recreational and illicit connotations.