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Average Drug Elimination Times

 
Drug/substance: Urine: Blood: Hair:
Alcohol 3-5 days 10-12 hours 90 days
Amphetamines 1-3 days 12 hours 90 days
Barbiturates 2-4 days 1-2 days 90 days
Benzodiazapines 3-6 weeks 2-3 days 90 days
Cannabis 7-30 days 2 weeks 90 days
Cocaine 3-4 days 1-2 days 90 days
Codeine 1 day 12 hours 90 days
Heroin 3-4 days 12 hours 90 days
LSD 1-3 days 2-3 hours 3 days
MDMA (Ecstasy) 3-4 days 1-2 days 90 days
Methamphetamine 3-6 days 24-72 hours 90 days
Methadone 3-4 days 24-36 hours 90 days
Morphine 2-3 days 6-8 hours 90 days

 

 

 

*Please note that these timeframes are a guideline only, and are not to be taken as exact elimination times due to individual variations in metabolism and elimination. Cannabis, for the regular or moderate to heavy user, may still be present in the urine even 2 months after the last ingestion.