Need emergency help? Call 999 in United Kingdom.

Open local help

Detailed medicine guidance

Who can and cannot take clopidogrel

NHS medicines information on who can take clopidogrel 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 clopidogrel

Most adults aged 18 years and over can take clopidogrel.

Who may not be able to take clopidogrel

Clopidogrel is not suitable for some people. To make sure it's safe for you, tell your doctor if you:

  • have ever had an allergic reaction to clopidogrel or any other medicine
  • have ever had a stomach ulcer
  • have recently had surgery or a serious injury
  • have had bleeding in your brain (a brain haemorrhage)
  • have a bleeding disorder, such as haemophilia
  • have liver or kidney problems
  • are trying to get pregnant, already pregnant or breastfeeding

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

Licensed under the Open Government Licence v3.0 ↗. MyPHU is independent and is not endorsed by the NHS.

More about Clopidogrel