Clopidogrel makes platelets less sticky, reducing the chance of a clot forming in an artery. It is prescribed after heart attacks, strokes and stents, and stopping it without advice — particularly soon after a stent — can be genuinely dangerous.
Preventing clots after a heart attack, stroke or transient ischaemic attack, in peripheral arterial disease, and after coronary stents — often alongside aspirin for a defined period.
Once daily, at the same time each day, with or without food.
If you miss a dose, take it the same day if you remember. Skip it if it is nearly time for the next — never double up.
Bruising more easily, nosebleeds and cuts taking longer to stop are expected. Report bleeding that will not stop, blood in urine, black tarry stools, coughing or vomiting blood, or any head injury.
Call 999 for severe bleeding, a serious head injury, or sudden severe headache with confusion or weakness.
Omeprazole and esomeprazole can reduce how well clopidogrel works. If you need stomach protection, lansoprazole or pantoprazole is usually preferred — tell us if you buy any acid medicine over the counter.
Also tell your prescriber about anti-inflammatories, aspirin, anticoagulants and SSRIs, all of which add bleeding risk.
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