90 days
It stays in your system for 3 to 4 days. And if I were you just don't touch the stuff, it will kill you.
Depending on the severity of use, and method used, it can range from 24 hours to over 4 days for very heavy & long-time users. Average is 72 hours for a urine test.
It takes 12 hours for the body to remove 50% of the drug from their system; it takes 2 to 10 days to be totally clear.
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It depends on your metabolism. Methamphetamines are generally thought to be out of your system (or undetectable with a urine test) between 4-6 days, although I personally know people who have tested positive for up to 10 days after using.
It never gets out of MY system!!
Normally, though, around 3 days. But urinary PH plays a big part as well. One can alkalize one's body before and during a meth trip and ya stay speedin' a long time and you get a heck of a lot higher. Normal body PH is 7.2 if I remember and you can safely raise it up to 7.5 easy with no ill effects. But remember to do less than you usually would. Alka seltzer gold has the 4 perfect urinary alkalization agents to do this with. It also works with all other amphetamines.
Party safely!
amphetamines will stay in your system usually no more than 2-5 days, (body fluids, i.e. saliva, urine..) it will stay in yourbloodstreamno longer than 12 hours, and it can stay in your hairfollicleup to 90 days.
It takes up to 14 days if you inject it every day. At least that how long it took me when i was locked up in Rehab
Depending on your metabolism, anywhere from 3 to 10 days. usually a week.This is for your urine. hair tests are different