Pulmonary Embolism (cont.)
IN THIS ARTICLE
Home treatment is not recommended for initial treatment for pulmonary embolism. But it is important for preventing more clots from developing and causing a deep vein thrombosis, which can lead to recurring pulmonary embolism.
Measures that reduce your risk for developing a deep vein thrombosis include the following:
For more information on how to prevent clots from developing, see the topic Deep Vein Thrombosis.
Medicines can help prevent repeated episodes of pulmonary embolism by preventing new blood clots from forming or preventing existing clots from getting larger.
Anticoagulants are prescribed when pulmonary embolism is diagnosed or strongly suspected. Normally, when an injury that causes bleeding occurs, the body sends out signals that cause the blood to clot at the wound. The clot naturally breaks down as the wound heals. A person who is prone to abnormal clotting has an imbalance between clot formation and clot breakdown. Anticoagulants prevent the production of certain proteins that are needed for blood to clot. Although anticoagulants can prevent new clots from forming and prevent existing clots from getting larger, they do not break up or dissolve existing blood clots.
Heparin and warfarin are the two main types of anticoagulants used to treat pulmonary embolism.
Heparin is an anticoagulant given by injection. It immediately affects the clotting system in your body. Oral anticoagulant medicine (warfarin) takes longer to start working.
Warfarin (such as Coumadin)
Warfarin is an anticoagulant that is taken in pill form. It is usually started while a person is still being treated with heparin because it takes several days for warfarin to build up to a level that's effective. When the warfarin is at a proper level, heparin is stopped and treatment with warfarin continues.
Typically, warfarin is given for at least 3 months after pulmonary embolism to reduce the risk of having another blood clot. Treatment with anticoagulants may continue throughout your life if the risk of having another pulmonary embolism remains high.
Because warfarin can increase the risk of birth defects, pregnant women with a risk of developing blood clots are limited to taking heparin.
Clot-dissolving (thrombolytic) medicines are not commonly used to treat pulmonary embolism. Although they can quickly dissolve a blood clot, thrombolytics also greatly increase the risk of serious bleeding. They are occasionally used to treat a life-threatening pulmonary embolism.
What to think about
After pulmonary embolism is diagnosed, a doctor considers:
If you have recently had a major stroke, surgery, or active internal bleeding, you usually cannot take anticoagulant or thrombolytic medicines. A vena cava filter may help to reduce the risk of another pulmonary embolism in this case.
Safety with anticoagulant medicine
When you take anticoagulants, you need to take extra steps to avoid bleeding problems.
Heparin. If you take heparin:
Warfarin. If you take warfarin:
For more information, see:
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