7 Apr 2013
Zanaflex active ingredient is tizanidine and it is used as antispastic in MS (multiple sclerosis) and spinal injury. The half life of zanaflex 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.
- Zanaflex Information for Consumers
- Zanaflex Information for Healthcare Professionals (includes dosage details)
- Side Effects of Zanaflex (detailed)
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1 answer • 18 Feb 2012
Is there an OTC drug test that'll ID zanaflex in UA? I'm missing tabs & worried, want 2 test my teen
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2 answers • 3 Apr 2013