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How long do drugs stay in your system?

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Alcohol - 3-5 days in urine (eTg), up to 90 in hair and around 10 - 12 hours in blood.

Amphetamines - 1 to 3 days in urine, up to 90 in hair and around 12 hours in blood.

MDMA (Ecstasy) 3-4 days in urine, up to 90 in hair and 1 - 2 days in blood.

Barbiturates - 2 to 4 days in urine, up to 90 in hair and 1 to 2 days in blood.

Phenobarbital - 2 to 3 weeks in urine, up to 90 in hair and up to a week in blood.

Benzodiazapines - 3 to 6 weeks in urine, up to 90 in hair and 2 - 3 days in blood.

Marijuana - 7 to 30 days in urine, up to 90 days in hair, two weeks in blood.
Methamphetamine (crystal) - 3 to 6 days in urine, up 90 in hair, 24 - 72 hours in blood.

Cocaine - 3 to 4 days in urine, up to 90 days in hair, 1 - 2 days in blood.

Codeine - 1 day in urine, up to 90 days in hair, 12 hours in blood.

Fentanyl - 1 day in urine, up to 90 days in hair, 4 hours in blood.

Morphine - 2 -3 days in urine, up to 90 in hair, 6 - 8 hours in blood.

Heroin - 3 to 4 days in urine, up to 90 in hair, up to 12 hours in blood.

LSD - 1 to 3 days in urine, up to 3 days in hair, 2 - 3 hours in blood.
Methadone - 3 - 4 days in urine, up to 90 in hair, 24 - 36 hours in blood.

PCP - up to 30 days in urine, up to 90 days in hair, 2 - 4 days in blood.

Dilaudid - 2 to 3 days in urine, up to 90 days in hair, up to 22 hours in blood.

Suboxone - 2 - 5 days in urine, up to 90 days in hair, up to 3 days in blood.

Other Answers
  • Pot stays about 30 to 40 days if you smoke everyday then quit, coke stays about 2 to 3 days, the rest I don't think stays very long maybe a day or two!
  • I have found that it varies by person and by substance. generally, weed stays in your fat cells (and therefore urine) for anywhere from 3 weeks - 3 months. although your first time it goes away a lot faster (like 3-7 days). opiate pain pills and some other prescription narcotics last in your system for 4-6 hours and the metabolized chemical precursors (which are what actually show up on drug tests)are gone after 2-5 days. with the exception of DXM, OTC drugs don't show up at all on tests. nicotine stays in your system for 14 days, alcohol for 4-6 hours. acid never leaves your body and stays in your spinal fluid (not urine). X lasts up to a week. shrooms don't show up on regular tests. oh but blood tests show everything youre on at the moment and hair samples go back 10 years and will show every substance you've ever done as well. i will say that some people keep things in their system for very long/very short periods of time, and these people are either very lucky or need to be very careful.

Acid does not stay in your spinal fluid. This is an urban legend. In reality, it is quickly metabolized and gone from the body in a few days. Regardless, it is not tested for in any standard drug test.

  • On average, amphetamines will stay in your system from 1-4 days, depending on many factors including amount used, frequency of use, bodyweight, metabolism, etc.
  • New entry: Everyone should be aware that some drugs, both prescription and elicit, are stored in fat cells. If you're reading this article because your wondering if someone is back on drugs, keep this in mind. If a recovering addict is now getting back into shape and they exhibit physical signs of drug use they may have released some stored drugs when they burned off some fat. This is not usually the case; statistically they probably are back on drugs but at least this give a shadow of a doubt if you will. Acid DOES NOT QUICKLY LEAVE YOUR BODY. It can hide in your fat cells for a long time. This goes for PCP, LSD, and Meth.
Thanks for the feedback!

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