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New Blood Thinner Beats Older Drug for Vein Clots

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Cost of treatment is a consideration, too. Although Pradaxa is a lot more expensive than warfarin up front, when the associated costs of monitoring are accounted for, the two drugs appear to run about the same, Connors said.

"Warfarin is an extremely cheap drug, costing anywhere from $5 to $10 a month, and co-pays for Pradaxa are anywhere from $25 to $50 a month," she said.

Some cautions may be in order, however. Recently, the U.S. Food and Drug Administration said in a warning that Pradaxa should not be used to prevent stroke or blood clots in patients with mechanical heart valves.

The agency noted that a clinical trial in Europe was halted because patients taking Pradaxa were more likely to suffer strokes, heart attacks and clots forming on their mechanical heart valves than patients taking warfarin.

More information

For more information on deep venous thrombosis, visit the U.S. National Library of Medicine.

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