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How long does tizanidine R179 stay in your system?

Answers (1)

Anonymous

30 Aug 2010

Hello,

The Zanaflex contains Tizanidine and is used as antispastic in MS and spinal injury. The half life of Tizanidine is 2.5 hours but its metabolites have half life of 20-40 hours. So the single dose will take 80-90 hours to get out of system and in hair follicle test it will take 90 days.

Take care

wjhousman 18 May 2011

yes do you know for sure how long 2 zanaflex 4mg. will stay in your system.

wjhousman 18 May 2011

if it was just taken 1 time in the past month or so.

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