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Doctor insights on: How Long Does Meth Stay In Your System

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Dr. Pamela Pappas
Board Certified, Psychiatry
36 years in practice
135M people helped
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1
How long does meth stay in your system?

How long does meth stay in your system?

It depends: It depends on your metabolism, but meth is generally detectable in urine for 1-4 days after use. Urine drug tests are the ones most often used. Meth can also stay in your hair for up to 90 days, though. It's an extremely dangerous drug, and best not to use it at all. ...Read more

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Dr. William Forsythe
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21 years in practice
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Amphetamine (Definition)

A psychostimulant, controlled drug schedule ii, with abuse potential. It acts to enhance Dopamine and norepinephrine in the body, including the brain. It can decrease appetite- was used as a diet pill, treat narcolepsy and adhd, pathological fatigue, sea sickness. Derived from ...Read more


Dr. Alan Wartenberg
Board Certified, Addiction Medicine
43 years in practice
6M people helped
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How long does meth stay in your system?Max?

How long does meth stay in your system?Max?

Which "meth???": Methamphetamine is a short-acting drug, but it has longer acting metabolites which are what are measured in urine. After a single dose, it's half-life is about 4 hours, but metabolites can be found for 2-3 days. After regular heavy use, it can be detected for 5-7 days. Methadone (also called meth) lasts for 3-5 days, and in long-term use metabolites can be detected for weeks. ...Read more

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Dr. William Forsythe
Board Certified
21 years in practice
169K people helped
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Dr. Ed Friedlander
Board Certified, Pathology
38 years in practice
136M people helped
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How long does crystal meth stay in your system when you smoke it need to take ua urine test on tuesday or wednesday?

How long does crystal meth stay in your system when you smoke it need to take ua urine test on tuesday or wednesday?

Here's what to do: Kara, you've lost the ability to control your addiction, knowing you have a test that using today will cause you to fail, and planning to use anyway. Phone your counselor, acknowledge that you're helpless, and SAVE YOUR LIFE. Not everything people have told you is true, but the meth warnings mostly are true. The dead meth uses I've autopsied HAVE ripped up their flesh. Don't die like that. ...Read more

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Dr. Paul Grin
Board Certified, Pain Management
30 years in practice
23M people helped
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How long does shake and bake meth stay in your system?

How long does shake and bake meth stay in your system?

About 3 days: The half-life of methamphetamine is variable with a mean value of between 5–12 hours. It takes approximately 6 half lives for a drug to be eliminated from your system. 12*6/24=3 days. The methamphetamine will stay in your system for about 3 days. Methamphetamine can also stay in your hair for up to 90 days. ...Read more

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Dr. William Forsythe
Board Certified
21 years in practice
169K people helped
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Dr. Alan Wartenberg
Board Certified, Addiction Medicine
43 years in practice
6M people helped
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5
How long does shake and bake meth stay in your system? My brother swears he is clean but it's still showing up in his system.

How long does shake and  bake meth stay in your system? My brother swears he is clean but it's still showing up in his system.

Only several days: Even in very heavy long-term users, methamphetamine and its metabolites are relatively short-acting, and will give positive urine drug test for 3-4 days at most. False positives for amphetamines, however, are very common, and may show up + with virtually any medication used for colds - sudafed, ephedrine, phenylephrine and others. Confirmatory tests, however, should be negative. ...Read more

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Dr. Ed Friedlander
Board Certified, Pathology
38 years in practice
136M people helped
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6
For drug testing: Saliva swab testing how long will meth stay in your system for a daily user? Let's say if yesterday about 4 am was my last session?

For drug testing:
Saliva swab testing how long will meth stay in your system for a daily user? Let's say if yesterday about 4 am was my last session?

Please stop, Jason: This isn't the place to ask about how to beat a drug test. You can't. You're still a young man, Jason. Meth will ruin your life and your using will hurt everybody that you love. Meth-heads that I've autopsied rip the flesh from their bones before they die. Please pick up the phone for your physician or someone else who can help you find a support group and stop. ...Read more

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Dr. Evan Altman
Board Certified, Psychiatry
13 years in practice
8M people helped
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7
How long will meth stay in your system with a urine drug test?

How long will meth stay in your system with a urine drug test?

10 days or less: For most individuals having used the substance, the general consensus is often noted as a maximum of 10 days that methamphetamine remains detectable via a urine drug test. Often it is more like 3-5 days. The urine test rarely gives an incorrect finding if meth is in there. It can be detected in hair for much much longer. Meth is highly addictive, dangerous & harmful to mental and physical health. ...Read more

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Dr. Pamela Pappas
Board Certified, Psychiatry
36 years in practice
135M people helped
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8
How long does meth stay in my unborn babys system for? I have used during this last month.

How long does meth stay in my unborn babys system for? I have used during this last month.

Please tell doctor: Please tell your doctor you're using meth, and get help. You're risking your own health plus the health of your baby. You may wonder whether meth will show in your baby when born, but the real problem is that any maternal meth abuse is associated with premature birth, growth retardation, & long-term learning problems in children. http://www.crystalmethaddiction.org/meth_and_pregnancy.htm. ...Read more

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Dr. Donald Jacobson
Board Certified, Psychiatry
34 years in practice
17M people helped
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9
How long does meth stay in a baby's system?

How long does meth stay in a baby's system?

Meth detectable in poop: But read this from a website i found, :i used to work in a medical foster home for drug-affected babies who were taken at birth by the state. Most of these babies required 24 hour nursing care. I think the real question is not "will the drugs still be in the baby's system" but "how affected will this baby be by the drugs it's mommy was taking?" i could not agree more. It will be detectable in the babies first poop called meconium. ...Read more

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Dr. James Ferguson
Board Certified, Pediatrics
40 years in practice
144M people helped
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How long does meth stay in an unborn baby's system?

How long does meth stay in  an unborn baby's system?

Many possibilities: The meth a fetus is exposed to will be gradually removed through the mother and active drug will be gone when it is out of mothers system.However, some will be deposited in the meconium or fecal debris accumulating in babies intestine.That is where i look (test) for exposure.It can/will remain detectable for weeks after use. ...Read more

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Dr. William Forsythe
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