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Detailed medicine guidance

Who can and cannot take amoxicillin

NHS medicines information on who can take amoxicillin and who may not be able to take it.

About this information

This NHS content is written for people in England. Medicine names, availability, prescribing and services may differ in other countries.

Who can take amoxicillin

Most adults and children can take amoxicillin.

Who may not be able to take amoxicillin

Amoxicillin is not suitable for some people. To make sure it's safe for you, tell a doctor before starting to take it if you:

  • have ever had an allergic reaction to amoxicillin or penicillin or any other medicine
  • have liver or kidney problems
  • are due to have any blood or urine tests – taking amoxicillin can affect the results of some tests
  • have recently had, or are due to have, any vaccinations
  • have glandular fever – taking amoxicillin can cause a rash if you have this condition

View the original NHS website page ↗. Refreshed 19 August 2026.

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