Antibiotic vs Medication vs Medicine

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

Antibiotic

Top 2,000 (common)

Medication

Top 2,000 (common)B2noun

Medicine

Top 1,000 (very common)A2noun
Most common: Medicine
 AntibioticMedicationMedicine
Pronunciation🇬🇧 //ˌæntɪbaɪˈɒtɪk//🇺🇸 //ˌæntɪbaɪˈɑːtɪk//🇬🇧 /["/ˌmedɪˈkeɪʃn/"]/🇺🇸 /["/ˌmedɪˈkeɪʃn/"]/🇬🇧 /["/ˈmedsn//ˈmedɪsn/"]/🇺🇸 /["/ˈmedɪsn/"]/
MeaningA medicine that kills bacteria or stops their growth.A drug used to treat medical conditions.A substance used to treat illness or improve health.
ExampleThe doctor prescribed an antibiotic for my infection.Are you currently taking any medication?She took her medicine every morning to stay healthy.
RegisterNeutralNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)Top 1,000 (very common)
CEFR level-B2A2
Part of speechnounnoun
Collocationsprescribed antibiotic, take antibiotics, antibiotic resistance, broad-spectrum antibioticprescribed, prescription, non-prescription, be on, receive, take, medication 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
Antonyms-placebo, nonmedication, inactivitypoison, toxin
Common mistakesConfused with 'antiviral', which treats viruses., Using 'antibiotic' inappropriately for viral infections., Mispronouncing the term, especially in a medical context.Confused with 'medicine' and 'medication', thinking they are interchangeable., Using 'medication' as a countable noun when it is uncountable., Not specifying the type of medication (e.g., prescription vs. over-the-counter).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 medical contexts. Appropriate for discussions on health, but avoid casual settings. Refers specifically to bacterial infections, not viral ones.Used in both spoken and written English. It's appropriate in medical contexts and discussions about health but should be avoided in overly casual settings.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: Antibiotic vs Medication vs Medicine

What's the difference between Antibiotic, Medication, and Medicine?

Antibiotic: A medicine that kills bacteria or stops their growth. Medication: A drug used to treat medical conditions. Medicine: A substance used to treat illness or improve health.

Which is more common: Antibiotic, Medication, and Medicine?

Medicine is the most common in everyday English.

Which is more advanced: Antibiotic, Medication, and Medicine?

Medication is the highest level, at B2, on the CEFR scale.

Can you show an example of each?

Antibiotic: The doctor prescribed an antibiotic for my infection. Medication: Are you currently taking any medication? Medicine: She took her medicine every morning to stay healthy.

Can I use Antibiotic, Medication, and Medicine interchangeably?

Not always. Antibiotic, Medication, 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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