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 wtd@isth.org.

11/13/2025

Did you know that nearly 60% of blood clots happen during or after a hospital stay? 🏥

If you’re in the hospital or recently discharged, ask your doctor about ways to prevent clots. A simple conversation could save your life. Visit this page for resources on how to get started: www.worldthrombosisday.org/advocating-for-your-health/

11/12/2025
🫁Today is  ! Did you know that pneumonia doesn’t just affect the lungs, it can increase your risk of dangerous blood clo...
11/12/2025

🫁Today is ! Did you know that pneumonia doesn’t just affect the lungs, it can increase your risk of dangerous blood clots?

When pneumonia causes inflammation, the body may form clots that can travel to the lungs (pulmonary embolism), legs (deep vein thrombosis), or even the brain (stroke). Warning signs include leg swelling or pain, chest pain, or sudden shortness of breath.

If you or a loved one is recovering from pneumonia, don’t ignore symptoms. Early detection can save your life.

 : Dawn knew something was wrong after her son’s birth, but she was sent home three times before doctors discovered a bl...
11/11/2025

: Dawn knew something was wrong after her son’s birth, but she was sent home three times before doctors discovered a blood clot stretching three feet and more than 60 emboli in her lungs.

After two life-saving surgeries, she’s now on lifelong blood thinners and determined to raise awareness so others are heard the first time. 💙

Learn more here: worldthrombosisday.org

What does   look like in action? Look no further than Nottingham University Hospitals NHS Trust!From a virtual bike chal...
11/10/2025

What does look like in action? Look no further than Nottingham University Hospitals NHS Trust!

From a virtual bike challenge promoting movement to patient education stations and a radio interview on VTE awareness, their team went all in to help save lives through awareness. 💙

Thank you for your commitment, creativity, and passion in driving VTE prevention forward this .

 : A headache she thought was nothing serious turned out to be something life-threatening. Widiyaningrum was diagnosed w...
11/05/2025

: A headache she thought was nothing serious turned out to be something life-threatening. Widiyaningrum was diagnosed with CVST and Protein C and S deficiency, leading to years of treatment, tests, and surgery.

Today, with her condition stable, she’s sharing her story to remind others: never ignore the signs! Your headache could be trying to tell you something. 💙

What did   2025 look like in Kazakhstan? Take a look! Thank you to the Kazakh Society on Thrombosis and Haemostasis for ...
11/04/2025

What did 2025 look like in Kazakhstan? Take a look! Thank you to the Kazakh Society on Thrombosis and Haemostasis for organizing an outstanding activity in honor of .

Your continued dedication to raising awareness and advancing education in thrombosis and hemostasis makes a lasting global impact. How did you celebrate this year? Let us know in the comments!

Did you know there are many factors that can increase your risk of developing dangerous blood clots (thrombosis)?Some of...
11/03/2025

Did you know there are many factors that can increase your risk of developing dangerous blood clots (thrombosis)?

Some of the risks include:
✈️Long periods of sitting or immobility
🏥Surgery, injuries, or trauma
❤️‍🩹Health conditions like cancer, heart disease, or diabetes
🧬Hormonal birth control, pregnancy, and family history of clotting

Knowing the risks can help you take steps to protect your health. Talk to your doctor if you have questions or concerns!

⚠️ Blood clots can strike unexpectedly. Clots in arteries can trigger heart attacks or strokes. Clots in veins can cause...
11/01/2025

⚠️ Blood clots can strike unexpectedly. Clots in arteries can trigger heart attacks or strokes. Clots in veins can cause deep vein thrombosis (DVT) or travel to the lungs as a pulmonary embolism (PE).

Warning signs aren’t always obvious: pain, swelling, shortness of breath, or even mild discomfort could be clues.

Let's continue tor raise awareness all year long. Learn the signs, know your risks, and protect your health.

A huge thank you to the incredible Anticoagulation team at Holyoke Medical Center in Massachusetts for celebrating   for...
11/01/2025

A huge thank you to the incredible Anticoagulation team at Holyoke Medical Center in Massachusetts for celebrating for the second year in a row! 💙

Your dedication to raising “head-to-toe” awareness about thrombosis prevention, signs and symptoms, and treatment options is making a real difference in your community. We hope all hospitals and clinics around the world will join in raising awareness about blood clots year round!

 : Chloe never imagined a normal workday would end in the emergency room. What started as leg pain became a pulmonary em...
10/31/2025

: Chloe never imagined a normal workday would end in the emergency room.

What started as leg pain became a pulmonary embolism that nearly took her life. Her recovery was as much emotional as physical and today, she shares her story to raise awareness that anyone can be at risk.

What made your recovery easier after a blood clot? Tell us in the comments!

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