I understand your concern.
As we have an etiological agent here - the management might not be life long.
But you should remember that drugs like Apixaban do not dissolve the blood clots - but only prevent further progression.
Blood clots in the lungs are treated with medicines that keep clots from getting bigger. These medicines are called "anticoagulants" or "blood thinners," although they do not actually thin the blood. Some come in shots and others come in pills. Most people being treated for a blood clot in the lung are treated first in the hospital.
You will need to take the medicine for at least 3 months (and sometimes longer). Some people are first put on a medicine that comes as a shot, called heparin. This might be for a few days, or longer if for some reason you can't take pills.
The medicines do not dissolve existing blood clots, but they do keep them from getting bigger. They also help keep new blood clots from forming. Taking the medicine for a few months is important because it gives your body time to dissolve the old clot. It's also important because people who have a clot are at risk of developing another clot, especially in the first few months.
Since the risk of a blood clot is reduced by anticoagulation, women who are taking anticoagulants should be allowed to take birth control pills.
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