World Thrombosis Day

World Thrombosis Day From Head to Toe, Take Control. World Thrombosis Day is a global campaign of the ISTH that raises awareness of thrombosis on Oct. 13.
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Celebrated year round, World Thrombosis Day (WTD) is recognized on 13 October. WTD focuses attention on the often overlooked and misunderstood disease of thrombosis. With thousands of educational events in countries around the world, WTD and its partners place a global spotlight on thrombosis as an urgent and growing health problem. Bringing together communities around the world to

, the quiet, underlying disorder that is the common mechanism of the world’s three top cardiovascular killers – heart attack, stroke and venous thromboembolism (VTE) – the International Society on Thrombosis and Haemostasis (ISTH) launched WTD in 2014. Partnering with thrombosis societies from every continent of the world, the ISTH teams up with continental cardiovascular, neurology and hematology organizations in the effort to educate the public, health care professionals and policy makers about thrombosis risks, prevention and treatment. More than 5,000 partners from every continent of the world have pledged their support to WTD, with more joining every day. For a list of those organizations and for those interested in making the pledge and joining the effort, visit www.worldthrombosisday.org. We invite you to participate! To join the movement now, visit: www.worldthrombosisday.org/join/. Supporter Disclosure: The WTD campaign is supported by the following organizations: BMS/Pfizer Alliance, Bayer, Cardinal Health, Inari Medical, Leo Pharma, Roche, AstraZeneca, Penumbra, Regeneron, Total CME, Urban Emu and Viatris

Photo Disclaimer: If you submit a photo through the WTD website or social media pages, you grant permission for the campaign to share the submitted photo on its website and/or in its yearly impact report. The campaign maintains all rights to images as they relate to the campaign, any distribution or use thereof. The campaign is not legally liable for any reproduction of images. If you have questions or wish to remove a photo, email us at [email protected].

09/04/2026

Clot Wise: Learn, Spot & Prevent

Did you know that awareness of blood clot symptoms and risk factors could save a life?

Join Lesley, Community Engagement Officer at Thrombosis UK, for a friendly and informative online session to learn about:
✅ Who may be at risk of developing a blood clot
✅ The signs and symptoms to watch for
✅ When and how to seek medical help
✅ Real-life experiences from someone affected by blood clots
✅ How Thrombosis UK supports individuals and families
Whether you have a diagnosis or simply want to learn more, this session is open to everyone.

📅 Tuesday 10 November
⏰ 12:00pm – 1:00pm
💻 Online via Zoom
🎟️ FREE to attend

🔗 Register here:
https://us02web.zoom.us/meeting/register/kIWqidQoTt6_Vlo4tfVNAg

Awareness saves lives. Share this post and help spread the word! 💙

There’s no one way to celebrate  ! ❤️💙Whether you’re planning an event, educating your community or simply helping sprea...
09/04/2026

There’s no one way to celebrate ! ❤️💙

Whether you’re planning an event, educating your community or simply helping spread the word, you can make October 13 meaningful in a way that works for you.

Need some inspiration? Check out this fun virtual awareness event hosted by our MedExpert Thrombosis Ambassadors in Ukraine! How will YOU get involved in ?

World Thrombosis Day is coming up on October 13 and there are plenty of simple ways to get involved!Not sure where to st...
09/04/2026

World Thrombosis Day is coming up on October 13 and there are plenty of simple ways to get involved!

Not sure where to start? Our latest article shares 5 easy ways to recognize 2026, from downloading ready-to-use resources and planning a simple activity to creating a custom or .

Whether you have five minutes or a full campaign planned, every action can help raise awareness about blood clots and encourage more people to know the signs, understand their risk and take action.

👉 Explore the five ideas and start planning how you’ll recognize bit.ly/3UxriCV

09/04/2026

💙 Help Us Light Up the UK for World Thrombosis Day on 13 October!

The map shows just some of the places already supporting the campaign, but we want to see even more landmarks, hospitals, council buildings, businesses and community venues lighting up across the UK.

Could you help by contacting a building in your local area and asking them to illuminate in support of thrombosis awareness? We've created an email template to make it easy.

Together, let's fill the map and light up every corner of the UK for World Thrombosis Day.

🔗 https://thrombosisuk.org/world-thrombosis-day/

Blood clots can affect more than the heart, lungs or brain—they can also affect the kidneys. 🩸Renal vein thrombosis happ...
09/03/2026

Blood clots can affect more than the heart, lungs or brain—they can also affect the kidneys. 🩸

Renal vein thrombosis happens when a blood clot forms in a vein that carries blood away from the kidneys. This can slow blood flow, cause pain and affect how well the kidneys filter the blood.

Although renal vein thrombosis is uncommon, understanding the different places blood clots can occur can help you become a stronger advocate for your health. This , learn about thrombosis from head to toe.

09/02/2026

Do you suffer from atrial fibrillation (AF)? Is anticoagulation one of your treatment options?

One of the main goals in managing AF is preventing an AF-related stroke, anticoagulation helps to accomplish this and lower your risk.

Please see our 'Anticoagulation and atrial fibrillation' information sheet for more information: https://loom.ly/zEdNwEE

We also have the 'Professor A. John Camm – Atrial Fibrillation Anticoagulation Questions' video which answers many questions from other patients: https://loom.ly/y6mfe0Y

Our Patient Services Team are here to provide support and advice, please feel free to contact us either via our dedicated Patient Helpline +44 (0) 1789 867502 or via email: [email protected]

09/02/2026

Protein C, protein S, and antithrombin deficiencies are rare inherited thrombophilias that can increase the risk of blood clots. These proteins are part of your body's natural "brake system" for clotting — when one is deficient or isn't working as it should, that balance can shift toward clot formation. ⚖️

Because these deficiencies may not cause symptoms on their own, some people don't learn they have one until after experiencing a blood clot or undergoing testing because of a family history.

Visit our website to learn more about inherited thrombophilias and other clotting disorders.

👉 https://www.stoptheclot.org/about-clots/thrombophilia/thrombophilia/
(or find the link in our bio)

Going through menopause? Your blood clot risk is worth talking about, too. ❤️Hormone replacement therapy can help manage...
09/02/2026

Going through menopause? Your blood clot risk is worth talking about, too. ❤️

Hormone replacement therapy can help manage symptoms such as hot flashes and night sweats, but different types of HRT may carry different blood clot risks. Oral hormone therapy is linked with a higher VTE risk, while transdermal options like patches, gels or sprays may carry a lower risk for some women.

If you’re considering HRT—especially if you have a history of blood clots or another risk factor—talk with your healthcare provider about the option that is right for you.

This , know your risk at every stage of life.

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