Several factors: Determine how long heroin is detectable in the user's system. 1) height & weight : the smaller the person, the person, the longer it remains. 2) duration of use & amount consumed; the longer the use & higher the dose, the longer it remains. 3) how efficiently the user's body metabolizes toxins. Usually 12 hours in blood & 90 days in hair follicles. See: http://www.Rehabinfo.Net/heroin-addiction/.
Answered 9/2/2015
5.3k views
Heroin: Why do you need to know this? I assume you or someone you know is trying to pass a blood test while at the same time being an abuser? I would suggest consideration on seeing someone who can help with the discontinuation the use of Heroin.
Answered 9/2/2015
2.3k views
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