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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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How Long Does Flecaine Stay In The Body?

I stated flecaine on Sunday of this week the doctor said I could start at a low dose 25mg twice a day for a few days then increase it s to 50mg twice a day. I have a hard time with meds. After 3days I felt very sick side effects dr. Said stop for a few days and see if I feel better since I ve stopped I ve felt worse how long is the meds .still in your system???
Tue, 9 Jan 2018
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It normally takes any drug time equivalent to its 5 half lives (5 times its half life) to be completely eliminated from the body.
As per pharmacological texts, half life of flecainide is 20 hrs, so it will take almost 100 hrs (5 times 20) to be completely eliminated from your body.
Thanks

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How Long Does Flecaine Stay In The Body?

It normally takes any drug time equivalent to its 5 half lives (5 times its half life) to be completely eliminated from the body. As per pharmacological texts, half life of flecainide is 20 hrs, so it will take almost 100 hrs (5 times 20) to be completely eliminated from your body. Thanks