Drug vs Medicine

When to use each in English, with meaning, register, and examples.

Drug

Top 1,000 (very common)A2noun

Medicine

Top 1,000 (very common)A2noun
 DrugMedicine
Pronunciation🇬🇧 /["/drʌɡ/"]/🇺🇸 /["/drʌɡ/"]/🇬🇧 /["/ˈmedsn//ˈmedɪsn/"]/🇺🇸 /["/ˈmedɪsn/"]/
MeaningA substance that can change how the body or mind works.A substance used to treat illness or improve health.
ExampleThe doctor prescribed a new drug to help with the patient’s condition.She took her medicine every morning to stay healthy.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA2A2
Part of speechnounnoun
Collocationsillegal, illicit, addictive, inject, baron, kingpin, lord, drink and drugs, drugs and alcohol, powerful, strong, effective, course, dose, be on, take, prescribe (somebody), cure something, help something, treat something, company, prices, drug against, drug formodern, traditional, folk, train in, qualify in, practise/​practice, a branch of medicine, powerful, strong, allergy, dose, take, swallow, prescribe (somebody), cabinet, chest, bottle, medicine for
Antonymsmedicine, curepoison, toxin
Common mistakesConfused with 'medication' - 'drug' can refer to illegal substances., Using the word casually around sensitive topics, which might offend., Assuming 'drug' only means illegal substances.Confused with 'medication', which refers specifically to the act of taking medicine., Using 'medicine' to refer only to prescription drugs; it can also mean herbal or over-the-counter treatments., Confounding 'medicine' with 'medicinal', which describes something that has healing properties.
Usage notesUsed in both medical and recreational contexts. Be careful with informal usage; it can sound negative or carry stigma. In formal contexts, it often refers to prescribed medications.Use 'medicine' in both spoken and written contexts when referring to drugs or treatments. It's appropriate in formal settings like hospitals and informal conversations about health.

Frequently asked questions: Drug vs Medicine

What's the difference between Drug and Medicine?

Drug: A substance that can change how the body or mind works. Medicine: A substance used to treat illness or improve health.

Are Drug and Medicine the same CEFR level?

Drug: A2, Medicine: A2 on the CEFR scale.

What part of speech are Drug and Medicine?

Drug: noun, Medicine: noun.

Can you show an example of each?

Drug: The doctor prescribed a new drug to help with the patient’s condition. Medicine: She took her medicine every morning to stay healthy.

Can I use Drug and Medicine interchangeably?

Not always. Drug and Medicine are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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