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Do: Watch for Signs of Another One

If you’ve had a deep vein thrombosis (DVT) in one of your legs or arms, it’s normal for that limb to hurt and stay slightly swollen after treatment. And after a clot in your lungs (a pulmonary embolism, or PE), you might feel pressure in your chest. But watch out for cramping in your calf that could signal a new DVT. And shortness of breath or fainting could be signs of another PE. If you notice any of these, get medical care right away.

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Do: Know Your Odds

If you’ve had a blood clot -- whether in your leg, arm, or lungs -- your chances of another may be higher if you:

  • Have cancer, an inflammatory disorder (like Crohn’s disease), a rheumatologic disorder (like rheumatoid arthritis), or a blood clotting disorder
  • Are over 40
  • Are overweight or obese
  • Smoke, especially if you take birth control pills
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Don’t: Hurt Yourself

Your doctor may prescribe clot-fighting drugs called anticoagulants, or blood thinners. These can make you more likely to bleed from small injuries, so it’s important to be careful when trimming your nails. You also should wear gloves when you use sharp tools, and wear safety gear for sports and hobbies.

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Don’t: Eat the Wrong Things

If you take the blood thinner warfarin (Coumadin, Jantoven) to help prevent clots, you’ll probably need to cut down on a few foods. For example, vitamin K can affect how the drug works, so don’t eat large amounts of kale, spinach, Brussels sprouts, chard, or collard or mustard greens. Green tea, cranberry juice, and alcohol can affect it, too, so watch those as well.

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Do: Get Moving

Exercises like walking or swimming can help you recover after a clot. They boost your blood flow and may make you feel better. If you had a pulmonary embolism, activities that get your heart pumping, like running or dancing, can make your lungs stronger. But talk to your doctor first about how much is right for you.

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Do: Ask About Other Medicines You Take

If you take warfarin, you shouldn’t take aspirin unless your doctor says to because it can raise your chances of major bleeding. And some antibiotics can keep warfarin from working the way it should. You also need to be careful with over-the-counter herbal supplements. A few, including ginseng, flaxseed, and fish oil, can affect how blood thinners work as well.

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Do: Share Information

Let all your doctors know if you’ve had a blood clot of any kind. And if you take blood thinners, tell your dentist when you make your appointment. Follow any instructions he gives you to prepare for your visit.

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Do: Wear Compression Stockings

These special tight-fitting socks keep a certain amount of pressure on your legs, and that can help with blood flow after a DVT. Your doctor might also recommend them after a PE to boost your circulation.

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Don’t: Sit Too Long

Try not to stay seated for more than 2 hours at a time -- get up and walk around regularly. If you had a DVT in one of your legs, don’t cross your legs when you sit down. That position can affect your circulation. 

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Do: Travel Smart

If you’re in a car, take breaks often to stretch your legs. Deep knee bends can help get your circulation going. On a plane, try to move around the cabin once an hour. While you’re in your seat, flex your ankles to keep blood flowing. And drink plenty of water -- dehydration can make a clot more likely.

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Do: Watch Your Weight

Obesity can strain your veins and make them weak. And if you have diabetes, make sure it’s well-controlled. If it’s not, it can damage your blood vessels.

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Don’t: Be Afraid to Ask for Help

It’s not unusual to feel anxious or depressed in the first few weeks after a DVT or PE. If those feelings don’t go away and you don’t feel like doing your normal activities, tell your doctor. He might be able to give you medication or a referral for talk therapy. A support group of people who’ve had the same problems may help, too.

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Do: Be Careful During Pregnancy

Women who've had a DVT or PE have higher odds of another one when they’re pregnant. It’s important that they work with their doctors and watch their health closely. Even if they’ve stopped taking blood thinners, they might need to take them again, possibly as long as 6 weeks after delivery.

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Sources | Medically Reviewed on 04/03/2018 Reviewed by Suzanne R. Steinbaum, MD on April 03, 2018


1) Getty Images / SCIEPRO


Mayo Clinic: “Deep Vein Thrombosis,” “Pulmonary Embolism,” “Warfarin Diet: What Foods Should I Avoid?”

National Blood Clot Alliance: “Living Your Best Life While Taking Blood Thinners,” “Blood Clot FAQS -- Follow Up Care,” “Does Pregnancy Cause Blood Clots?”

University of North Carolina Hemophilia and Thrombosis Center: “I’ve had a blood clot,” “FAQ: Is it normal to be anxious or depressed after a clot?”

CDC: “Venous Thromboembolism.”

Indiana Hemophilia and Thrombosis Center: “Clotting Disorder FAQs.”

National Heart, Lung, and Blood Institute: “Deep Vein Thrombosis.”

Reviewed by Suzanne R. Steinbaum, MD on April 03, 2018

This tool does not provide medical advice. See additional information.

THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.