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How Long Do Drugs Stay in Your System

Aug 22, 2018

Drug detection times

Please use these figures as a guide only:

  • Alcohol: 3-5 days in urine, 10-12 hours in blood

  • Amphetamines: 1-3 days in urine and around 12 hours in blood

  • Barbiturates: 2-4 days in urine and 1-2 days in blood

  • Benzodiazepines: 3-6 weeks in urine and 2-3 days in blood

  • Cannabis: 7-30 days in urine and up to 2 weeks in blood

  • Cocaine: 3-4 days in urine and 1-2 days in blood

  • Codeine: 1 day in urine and up to 12 hours in blood

  • Heroin: 3-4 days in urine and up to 12 hours in blood

  • LSD: 1-3 days in urine and up to 2-3 hours in blood

  • MDMA (ecstasy): 3-4 days in urine and 1-2 days in blood

  • Methamphetamine (crystal meth): 3-6 days in urine and 24 - 72 hours in blood

  • Methadone: 3-4 days in urine and 24-36 hours in blood

  • Morphine: 2-3 days in urine and 6-8 hours in blood


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