Extreme,
This is what I found on Persantine..I believe it's because I was told that my blood is clotting too much/fast. I'm taking 75 mg 3 times a day. I
've also been told to take Niacin (flush free) 100-200 mg. Ever heard of that?
Persantine helps reduce the formation of blood clots in people who have had heart valve surgery. It is used in combination with blood thinners such as Coumadin.
Some doctors also prescribe Persantine in combination with other drugs, such as aspirin, to reduce the damage from a heart attack and prevent a recurrence, to treat angina, and to prevent complications during heart bypass surgery.
Most important fact about this drug
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Persantine is sometimes used with aspirin to provide better protection against the formation of blood clots. However, the risk of bleeding may also be increased. To reduce this risk, take only the amount of aspirin prescribed by the same doctor who directed you to take Persantine. If you need a medication for pain or a fever, do not take extra aspirin without first consulting your doctor.
http://www.healthsquare.com/newrx/per1331.htm