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Blood Clots, Vein Health, and Side Effects of the COVID Vaccine

Written By Center for Vein Restoration
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Blood clots are a serious health concern, especially when they form in the deep veins of the legs—a condition known as deep vein thrombosis (DVT). If left untreated, these clots can travel to the lungs, causing a life-threatening pulmonary embolism (PE).

People with chronic venous insufficiency (CVI), varicose veins, or other vein problems are already at a higher risk of developing blood clots. If you have leg pain, swelling, or visible varicose veins, it's time to take action to protect yourself from dangerous DVT and PE.

Pulmonary embolism is a silent killer. With symptoms that mimic other conditions—or sometimes no symptoms at all—many people don’t realize they’re at risk until it’s too late.

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Get Ahead of Vein Disease with Expert Vein Care

Ignoring the signs of vein disease could put you at risk for dangerous blood clots. At Center for Vein Restoration (CVR), our board-certified vein specialists use the latest technology to diagnose and treat vein issues before they lead to serious complications like DVT and PE.

Take control of your vein health today! Call 240-965-3915 to speak with a helpful CVR Patient Services Representative or schedule an appointment now.

The Connection Between Vein Problems and Blood Clots

When your veins don’t function properly, blood pools in the legs instead of flowing back to the heart. This sluggish circulation increases clotting risk, potentially leading to DVT and PE.

According to Johns Hopkins Medicine, people with varicose veins, leg swelling, or a history of vein disease are more likely to develop blood clots. Seeking treatment for varicose vein disease early can restore proper blood flow, reducing your risk of serious complications such as:
Thrombophlebitis – Vein inflammation due to clotting
Leg swelling and skin damage – Due to poor circulation
Life-threatening pulmonary embolism (PE) – A clot that breaks loose and blocks blood flow to the lungs

If you have aching or throbbing pain in the legs, leg swelling, restless legs syndrome (RLS), or varicose veins, you’re at risk of a blood clot! Schedule your appointment with a CVR vein expert today.

COVID-19, Blood Clots, and Vein Health

One of the most concerning effects of severe COVID-19 infections is an increased risk of blood clot formation. According to the National Library of Medicine (NIH), having COVID-19 can cause widespread inflammation, making blood more likely to clot.

A study by NYU Langone Health and published by The Journal of the American Medical Association (JAMA) found that hospitalized COVID-19 patients had a significantly higher risk of DVT, PE, and other clotting disorders due to inflammation, poor oxygen levels and abnormal blood vessel function. The results mean your risk is even greater if you have pre-existing vein problems.

The good news? Managing vein conditions like varicose veins and CVI can lower your risk of serious complications.

At Center for Vein Restoration (CVR), our dedicated vein specialists use the latest technology to diagnose and treat CVI, varicose veins, and other circulation issues before they lead to serious complications like DVT and PE. Take control of your vein health today! Call 240-965-3915 to speak to a CVR Patient Services Representative or schedule an appointment using the link below:

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Addressing Concerns About the COVID-19 Vaccine and Blood Clots

Since the rollout of the COVID-19 vaccine, some concerns have arisen about a potential link to blood clot formation. However, leading medical institutions confirm that the risk is extremely low.

The Mayo Clinic provides a clear, science-based statement on COVID-19 vaccine myths, including concerns about blood clots. It emphasizes that the risk of blood clots is higher with COVID-19 infection than with vaccination. Understanding these risks is crucial for making informed health decisions based on evidence rather than misinformation.

An article by Yale Medicine highlights the safety of COVID-19 vaccines, noting that the Johnson & Johnson (J&J) vaccine was discontinued in the U.S. in May 2023 due to rare cases of thrombosis with thrombocytopenia syndrome (TTS), a serious blood clotting disorder. The CDC and FDA restricted its use after finding a higher risk in women ages 30-49. In contrast, Pfizer and Moderna’s mRNA vaccines have not been linked to blood clots and remain the preferred options. The article also emphasizes that COVID-19 infection poses a much greater risk of blood clots than vaccination, reinforcing the importance of getting vaccinated.

The Cleveland Clinic confirms that mRNA vaccines (Pfizer and Moderna) have not been linked to blood clots and are the preferred options for COVID-19 prevention.


The Centers for Disease Control (CDC) and the National Library of Medicine (NIH) both emphasize that COVID-19 itself poses a much greater clotting risk than the vaccine.

If you have concerns about vein health, blood clots, or vaccine safety, consult a vein doctor at the Center for Vein Restoration for expert guidance tailored to your needs.

CLICK HERE to schedule an appointment with the nation’s leaders in vein care.

Who Is at Risk for DVT and Blood Clots?

Some people are at higher risk for developing blood clots due to medical conditions, lifestyle factors, or genetics. Key risk factors include:
Varicose veins and venous insufficiency – When veins struggle to return blood to the heart, circulation slows down, increasing clot risk.
Long periods of immobility – Extended sitting, long flights, or bed rest after surgery can contribute to DVT.
Smoking – Damages blood vessels, making clot formation more likely.
Obesity – Extra weight puts pressure on the veins, leading to poor circulation.
Certain medications or medical conditions – Some hormone-based medications and chronic illnesses can increase clot risk.

Protecting Your Vein Health: Steps You Can Take

Whether or not you’ve had COVID-19 or received the vaccine, keeping your veins healthy is crucial for preventing DVT and other vein-related issues. Here’s what top vein experts recommend:

Stay active – Regular movement keeps blood flowing properly. If you sit or stand for long periods, take breaks to stretch and walk.
Maintain a healthy weight – Reducing excess weight lowers pressure on the veins.
Wear compression stockings if recommended – These help people with varicose veins or CVI improve circulation.
Stay hydrated – Proper hydration balances blood viscosity, reducing clot risk.
See a vein doctor – If you have leg pain, swelling, or visible varicose veins, visiting board certified vein expert at center for Vein Restoration can help determine whether treatment is needed.

If you're experiencing symptoms of vein disease, take action today! Call 240-965-3915 or schedule an appointment with a CVR vein specialist.

The Bottom Line: COVID-19, Blood Clots, and Vein Health

Blood clots and vein disease are serious health risks—but can be managed with expert vein treatment.
COVID-19 is a far greater risk factor for blood clots than vaccines—protecting yourself through good vein health and medical care is essential.
Center for Vein Restoration is the nation’s leader in vein care—providing state-of-the-art treatments to prevent blood clots and improve circulation.

Your risk of blood clots increases when vein problems go untreated, but you don’t have to face these concerns alone! Center for Vein Restoration is the nation’s leading vein treatment provider, with highly trained vein doctors specializing in preventing and managing DVT, PE, and other vein-related conditions.

Whether you're experiencing leg pain, swelling, or visible varicose veins, our expert team is here to help. Take the first step toward better vein health—schedule a consultation today!

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