Antiplatelets, clopidogrel - Side effects 

Side effects of clopidogrel 

Reporting side effects

The Yellow Card Scheme allows you to report suspected side effects from any medicine you are taking. It is run by a medicines safety watchdog called the Medicines and Healthcare Products Regulatory Agency (MHRA). See the Yellow Card Scheme website for more information.

Clopidogrel can cause side effects, although serious reactions are rare.

Common side effects of clopidogrel can include:

Speak to your GP if any of these side effects get worse or do not go away.

Serious side effects

More serious side effects can include:

  • rashes and itching
  • severe stomach ache or abdominal pain
  • uncontrolled bleeding or unusual bruising
  • vomiting with blood
  • blood in your urine
  • blood in your stools

Speak to your GP immediately if you experience any of these side effects or any other unusual problems while taking clopidogrel.

Allergic reaction

In some cases clopidogrel can cause an allergic reaction. Go to the nearest hospital's accident and emergency department (A&E) if you experience:

  • swelling of the lips, mouth or throat
  • breathing problems
  • a skin rash that appears quickly

Page last reviewed: 10/05/2012

Next review due: 10/05/2014

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Driving

Clopidogrel is unlikely to affect your ability to drive.

However, some people may feel dizzy when taking clopidogrel. Avoid driving if you feel dizzy.

The Yellow Card Scheme

The MHRA has produced a video that explains how the Yellow Card Scheme can be used to report the side effects of medication