How long do you have to stay on xarelto after having a dvt?

If this is your first time having a DVT the protocol is 15 mg orally twice daily with food for the first 21 days for the initial treatment of acute DVT or PE. After the initial treatment period, 20 mg orally once daily with food at approximately the same time each day, typically at dinner time, for the remaining treatment. It is doctor's choice on whether the treatment duration should be 3, 6, or 12 months. The mean duration of treatment while the drug was being studied for approval by the FDA was 208 days not the 180 day that was done in an extension study. Personally I would not want to discontinue the drug until an ultrasound showed that the clot was gone.

As an aside, since you state that your doc doesn't know, you should keep in mind that you should avoid concomitant use of XARELTO with combined P-gp and strong CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, lopinavir/ritonavir, ritonavir, indinavir/ritonavir, and conivaptan).

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