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Blood Thinners After a Stroke

Blood Thinners After a Stroke

July 09, 20267 min read

Blood thinners after a stroke help reduce the risk of another stroke by preventing harmful blood clots from forming. Depending on the type of stroke you had, your doctor may prescribe either an antiplatelet medicine, such as aspirin or clopidogrel, or an anticoagulant, such as apixaban or warfarin. Learn why blood thinners are prescribed after a stroke, how they work, their possible side effects and how to take them safely.

After your stroke...

You leave hospital with a new medication.

Perhaps it's aspirin.

Or apixaban.

Or clopidogrel.

Your doctor tells you...

"This will help prevent another stroke."

You begin wondering...

"How do blood thinners work?"

"Will I need to take them forever?"

These are common questions for stroke survivors.

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The Good News

Blood thinners are one of the most effective ways to reduce the risk of another stroke for many people.

When taken correctly, they can significantly lower your risk of dangerous blood clots and future cardiovascular events.

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What Are Blood Thinners?

The term "blood thinners" describes medicines that reduce the blood's ability to form harmful clots.

They do not actually make your blood thinner.

Instead, they reduce the chance of clots forming inside blood vessels.

There are two main types:

Antiplatelet medicines

Anticoagulant medicines

The one you receive depends on the cause of your stroke.

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Why Are Blood Thinners Prescribed After a Stroke?

Many strokes happen because a blood clot blocks blood flow to part of the brain.

Blood thinners help reduce the chance of another clot forming.

Your doctor will choose the most appropriate medicine based on:

✓ The type of stroke you had.

✓ The cause of your stroke.

✓ Your medical history.

✓ Your overall risk of bleeding.

They are commonly prescribed after an ischaemic stroke or transient ischaemic attack (TIA).

They are not usually prescribed after a haemorrhagic (bleeding) stroke, unless there is another medical reason and a specialist determines the benefits outweigh the risks.

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Antiplatelet Medicines

Antiplatelet medicines stop platelets from sticking together to form clots.

Common examples include:

✓ Aspirin.

✓ Clopidogrel.

✓ Dipyridamole.

Some people take one medication.

Others may take a combination for a limited period before continuing with a single medicine.

Always follow your doctor's advice.

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Anticoagulant Medicines

Anticoagulants interfere with the body's clotting process.

They are often prescribed if your stroke was related to atrial fibrillation (AF) or another condition that increases the risk of blood clots.

Common examples include:

✓ Apixaban.

✓ Rivaroxaban.

✓ Dabigatran.

✓ Edoxaban.

✓ Warfarin.

Warfarin requires regular blood tests to monitor its effect, while many newer anticoagulants do not require routine blood monitoring.

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Possible Side Effects

Like all medicines, blood thinners can cause side effects.

Common side effects include:

✓ Easy bruising.

✓ Bleeding for longer after cuts.

✓ Nosebleeds.

✓ Bleeding gums.

✓ Indigestion (with some medicines).

Serious bleeding is uncommon but requires urgent medical attention.

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How Can Blood Thinners Affect Daily Life?

Most people continue living normal lives while taking blood thinners.

However, you may need to:

✓ Be careful when using sharp objects.

✓ Use a soft toothbrush if advised.

✓ Tell healthcare professionals before medical or dental procedures.

✓ Inform pharmacists before starting new medicines.

These simple precautions help reduce your risk of bleeding.

✦ ✦ ✦

Taking Blood Thinners Safely

Take Your Medication Exactly as Prescribed

Take your medication at the same time each day.

Do not skip doses or stop taking it unless advised by your doctor.

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Don't Stop Suddenly

Stopping blood thinners without medical advice can increase your risk of another stroke.

Always discuss any concerns with your healthcare professional first.

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Check Before Taking Other Medicines

Some medicines, including certain painkillers, herbal remedies and supplements, can increase the risk of bleeding or interact with blood thinners.

Always ask your pharmacist or doctor before starting anything new.

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Carry Medical Information

Many people carry a medication card or wear a medical alert bracelet stating that they take blood thinners.

This can be helpful in an emergency.

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Attend Follow-Up Appointments

If you're taking warfarin, regular blood tests (INR tests) are important to ensure your medication remains at the correct level.

Attend all scheduled reviews.

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Tips for Family and Carers

If you're supporting someone taking blood thinners:

✓ Encourage them to take their medication every day.

✓ Help them attend follow-up appointments.

✓ Watch for unusual bruising or bleeding.

✓ Encourage them to tell healthcare professionals they take blood thinners.

✓ Never encourage them to stop the medication without medical advice.

Good medication management helps reduce the risk of another stroke.

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When Should You Seek Medical Advice?

Contact your healthcare professional if you:

✓ Miss several doses.

✓ Develop frequent nosebleeds.

✓ Notice unusual bruising.

✓ Have concerns about side effects.

✓ Need surgery or dental treatment.

Seek emergency medical attention immediately if you experience:

✓ Heavy bleeding that won't stop.

✓ Vomiting blood.

✓ Black or bloody stools.

✓ Blood in your urine.

✓ A severe fall or head injury while taking blood thinners, even if you feel well.

✓ Sudden facial drooping.

✓ New weakness.

✓ Slurred speech.

✓ Sudden confusion.

These symptoms require immediate medical assessment.

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My Perspective

Taking blood thinners can feel worrying at first.

You may become nervous about bruising...

Or cutting yourself.

But remember...

Your medication has been prescribed because reducing the risk of another stroke is incredibly important.

Understanding why you're taking it...

And taking it consistently...

Is one of the most powerful ways to protect your future health.

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Frequently Asked Questions

Will I Need to Take Blood Thinners Forever?

It depends.

Some people take them for only a short period, while others need lifelong treatment.

Your doctor will decide based on the cause of your stroke and your overall health.

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Can I Drink Alcohol While Taking Blood Thinners?

Alcohol may increase the risk of bleeding and can interact with some blood thinners, particularly warfarin.

Ask your healthcare professional for advice about what is safe for you.

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What Happens If I Miss a Dose?

Follow the instructions provided with your medication or ask your pharmacist or doctor.

Do not take extra doses unless specifically advised.

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Are Blood Thinners Safe?

For most people, yes.

Although they increase the risk of bleeding, the benefits of preventing another stroke usually outweigh the risks when prescribed appropriately.

Your healthcare team will regularly review your treatment.

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Key Takeaways

✓ Blood thinners help reduce the risk of another stroke by preventing harmful blood clots.

✓ They include antiplatelet medicines and anticoagulants.

✓ The type prescribed depends on the cause of your stroke.

✓ Take your medication exactly as prescribed.

✓ Never stop taking blood thinners without medical advice.

✓ Seek urgent medical attention if you experience severe bleeding or symptoms of another stroke.

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Related Articles

Continue learning about stroke prevention and recovery with these helpful guides:

  • Medication After a Stroke: What You Need to Know – Learn about the medicines commonly prescribed after a stroke.

  • High Blood Pressure After a Stroke – Discover why controlling blood pressure is one of the best ways to prevent another stroke.

  • Cholesterol After a Stroke – Understand how cholesterol affects stroke risk and why treatment matters.

  • Can You Have More Than One Stroke? – Learn about recurrent strokes and how to reduce your risk.

  • Can You Fully Recover From a Stroke? – Discover the factors that influence long-term recovery.

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Final Thoughts

Taking a blood thinner isn't just about treating the past...

It's about protecting your future.

Every tablet...

Every dose...

Every day you take it as prescribed...

Helps reduce the risk of another stroke.

Recovery doesn't stop when you leave hospital—it continues every day through rehabilitation, healthy choices and taking your medication as prescribed.

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Stroke Survivor and Author
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What you’ll learn

Why sitting balance can be affected after a stroke

Common problems people notice day to day

Simple rehabilitation approaches that may help

When changes in balance need medical attention

Why sitting balance matters

Sitting balance is often one of the foundations for standing, walking and everyday activities. After a stroke, some people find it difficult to sit upright without support, lean to one side, or feel unsteady when reaching.

The good news

Sitting balance often improves with rehabilitation, practice and time. Even small improvements can support confidence and independence.

Why can balance change after a stroke?

A stroke may affect several systems that help you stay upright, including strength, coordination, sensation, body awareness and balance control.

Strength

Trunk muscles may become weaker or slower to respond.

Coordination

Movements may feel less automatic or less controlled.

Sensation

You may have less feedback about where your body is in space.

Confidence

Fear of falling can make movement feel harder.

Common sitting problems after a stroke

  • Leaning to one side

  • Difficulty sitting upright without support

  • Feeling unstable when reaching

  • Falling or drifting backwards

  • Increased fatigue during longer periods of sitting

Some people may also experience pusher syndrome, where they actively push towards their weaker side. This should be assessed by a rehabilitation professional.

What May Help

Physiotherapy and occupational therapy often work on trunk control, weight shifting, posture, coordination and everyday activities.

Examples of exercises

  • Sitting unsupported for short periods

  • Gentle reaching tasks

  • Weight shifting from side to side

  • Trunk strengthening

  • Practising on different safe surfaces when appropriate

Keep it individual

Exercises should be matched to your own abilities and professional advice.

More detail: posture and positioning

Helpful strategies may include keeping both feet supported, maintaining an upright posture, and using supportive cushions when recommended.

More detail: fatigue and balance

Balance can become worse when you are tired. Regular rest periods and shorter practice sessions may help.

More detail: tips for family and carers

Encourage safe practice, avoid unexpected pulling or pushing, and help maintain good posture while celebrating small improvements.

When should you seek medical advice?

Arrange an appointment with a healthcare professional if sitting balance is worsening, falls are occurring, new weakness develops, or balance problems are significantly affecting daily activities.

Seek urgent medical attention for sudden new weakness, new speech difficulties, sudden confusion or sudden vision changes.

Key takeaways

Sitting balance is commonly affected after stroke.

Weakness, sensation and body awareness can all contribute.

Good sitting balance supports everyday activity and later mobility.

Recovery can continue over months and years.

Frequently asked questions

Is poor sitting balance common after a stroke?

Yes. Many stroke survivors experience difficulty with sitting balance, particularly during earlier stages of recovery.

Will my sitting balance improve?

Many people improve through rehabilitation, ongoing recovery and repeated practice.

Can exercises help?

Targeted exercises can help improve trunk control, balance and confidence when they are appropriate for the individual.

About Alisia

Alisia Gayle is a stroke survivor who achieved 96% neurological recovery following an ischaemic stroke.

After years of rehabilitation, she now shares practical, evidence-informed resources to help stroke survivors, carers and families better understand recovery and rebuild their lives with confidence.

Alisia is also the author of Brain Damage: My Journey to 96% Recovery, where she shares her personal stroke recovery story and the lessons she learned throughout her rehabilitation.

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Medical disclaimer

This article is intended for educational purposes only and should not replace professional medical advice, diagnosis or treatment.

Always seek advice from your doctor, physiotherapist or rehabilitation team regarding symptoms, concerns or changes in your condition.

Alisia Gayle is a stroke survivor, author, and advocate whose life was transformed in a single, ordinary day.

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