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How long will a drug stay in my system?

FRANK Advice
Added: 
06th Oct 2011

This depends on which drug you are talking about and what method is being used to test for the drug. The list below shows the drug detection times (using a urine test) for the most common drugs:

  • Alcohol 12 - 24 hours
  • Amphetamine 2 - 3 days
  • Cannabis 2 – 7 days – 1 month (for regular users)
  • Cocaine 12 hours – 3 days
  • Crystal Meth 2 - 3 days
  • Diazepam 1 - 2 days
  • Ecstasy 2 - 4 days
  • GHB up to 24 hours
  • Heroin 1 - 2 days
  • Ketamine 5 - 7 days
  • LSD 2 - 3 days
  • Magic Mushrooms (Psilocybin) up to 8 hours
  • Methadone 2 days
  • Steroids 14 days (oral) - 1 month (injected)

Temazepam 1 - 2 days (longer after injecting)

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