Clopidogrel
Clopidogrel reduces the chance of blood clots forming on platelets. In the UK it is commonly prescribed after some heart attacks, stents, strokes, or transient ischaemic attacks when your specialist or GP judges the benefits outweigh bleeding risk.
This medicine is part of the Blood pressure, cholesterol & related category.
Generic name: clopidogrel
Quick answers
Short replies to searches people often run before speaking to a clinician. For the overview of what the medicine is used for, see the short summary under the page title above.
What is it for?
Clopidogrel reduces the chance of blood clots forming on platelets.
How long does it take to work?
Onset varies by condition and dose. Your GP or pharmacist can explain what to expect and when to review.
What are common side effects?
Bruising, nosebleeds, or bleeding gums can occur more easily than usual.
Can you take paracetamol or ibuprofen with it?
Some proton pump inhibitors may affect how clopidogrel works in certain people — your prescriber selects combinations carefully.
More about what Clopidogrel is used for
Clopidogrel reduces the chance of blood clots forming on platelets. In the UK it is commonly prescribed after some heart attacks, stents, strokes, or transient ischaemic attacks when your specialist or GP judges the benefits outweigh bleeding risk.
It is not the same as an anticoagulant such as Apixaban — the mechanisms differ, though bleeding precautions overlap.
How does Clopidogrel work, and how long does it take to work?
It blocks a receptor on platelets so they are less likely to clump together. Protection builds over days and fades gradually after stopping, so do not stop suddenly without medical advice if you have been told to take it long term.
Your prescriber chooses dose and duration based on your condition and other medicines.
How and when should you take Clopidogrel?
Take exactly as your label says — often once daily with or without food. Swallow tablets whole unless your leaflet describes a dispersible form.
If you are booked for surgery or dental extraction, tell the team you take clopidogrel — they will advise whether and when to pause it.
What are the common side effects of Clopidogrel?
Bruising, nosebleeds, or bleeding gums can occur more easily than usual. Indigestion or rash are reported by some people.
Many people feel otherwise well while taking it.
Serious side effects of Clopidogrel — when to get urgent help
Seek urgent help for vomiting blood, black tarry stools, severe unexplained bruising, sudden severe headache, weakness on one side, or blood in urine.
Get same-day advice for a severe allergic reaction (facial swelling, breathing difficulty, widespread rash).
What if you miss a dose of Clopidogrel?
If you miss a dose, take it when you remember unless your next dose is due soon. Do not double up.
Who should not take Clopidogrel?
Active bleeding, some ulcers, and certain planned procedures need individual decisions. Severe liver disease and pregnancy need specialist review.
Always list all medicines — interactions with some painkillers and other drugs matter.
Can you take paracetamol or ibuprofen with Clopidogrel? — other interactions
Some proton pump inhibitors may affect how clopidogrel works in certain people — your prescriber selects combinations carefully. NSAIDs increase bleeding risk.
Always check before starting new tablets, including over-the-counter painkillers and herbal products.
Clopidogrel in pregnancy and breastfeeding
Discuss with your prescriber if you are pregnant, could become pregnant, or are breastfeeding.
Blood tests and monitoring on Clopidogrel
Routine blood thinning tests are not usually used like with Warfarin, but your team may review tablets after bleeding symptoms or before procedures.
What might your GP prescribe instead of Clopidogrel?
Aspirin, ticagrelor, or prasugrel may be used in selected situations — only a cardiologist or stroke team should switch antiplatelet plans.
Reviewed by UK registered pharmacists
Reviewed by UK registered pharmacists for accuracy and clarity. Content is informational only.
- Professional registration
- GPhC registration number: [placeholder — to be added when verified]
- Last reviewed
Frequently asked questions about Clopidogrel
People also ask — common Google searches
- What is Clopidogrel used for?
- Clopidogrel reduces the chance of blood clots forming on platelets. In the UK it is commonly prescribed after some heart attacks, stents, strokes, or transient ischaemic attacks when your specialist or GP judges the benefits outweigh bleeding risk.
- How long does Clopidogrel take to work?
- Onset varies by condition and dose. Your GP or pharmacist can explain what to expect and when to review. Always follow your prescriber’s follow-up plan.
- Can you take Clopidogrel with paracetamol or ibuprofen?
- Some proton pump inhibitors may affect how clopidogrel works in certain people — your prescriber selects combinations carefully.
- What are the side effects of Clopidogrel?
- Bruising, nosebleeds, or bleeding gums can occur more easily than usual. Indigestion or rash are reported by some people. See the sections below for more detail, including serious side effects and when to seek urgent help.
- Is clopidogrel stronger than aspirin?
- They work differently on platelets. Some people take one or the other, or both short term after procedures, depending on specialist advice — never change combination yourself.
- Can I take ibuprofen with clopidogrel?
- Ibuprofen and other NSAIDs can raise bleeding risk and may be unsuitable. Ask your GP or pharmacist for a safer pain option.
Need personalised advice?
Your local pharmacist or GP surgery can help with questions about your medicines, side effects, and alternatives that may be suitable for you.
Links open the NHS website for finding services. DrugABC does not sell prescription-only medicines or replace clinical care.
Often used with
People searching for Clopidogrel often read about these medicines too — for example when treatments are combined under GP or specialist care. This is not a prescribing suggestion.
Related medicines
You may also find these informational pages helpful. Each link opens a full guide on DrugABC. Your prescriber decides what is appropriate for you.