2-4 days: Methamphetamine itself is rapidly metabolized and lasts only a few hours in the bloodstream and the brain, but its metabolites hang around much longer and can be detected in urine for up to 4-5 days in heavy users. Hair testing can detect use several months back.
Answered 5/29/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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