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Drug Detection Periods – Urine Testing

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clockDrug Detection Periods are expressed in terms of lower and upper boundaries. Many factors can determine an individual’s placement within these boundaries. In general, the following factors will increase a drug’s detection period: chronic use, high levels of use, high potency, slow body metabolism, high body fat count (Marijuana and PCP), low fluid intake, and overall poor health.

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Drug / Drug Type Detection Periods
Alcohol 6 hours to 1 day
Amphetamine 1 to 4 days
Barbiturates Short-acting (Allobarbital, Alphenal, Amobarbital, Aprobarbital, Butabarbital, Butalbital, Butethal, Pentobarbital, Secobarbital):  1 to 4 days
Long-acting (Barbital, Phenobarbital): 2 to 3 weeks
Benzodiazepines Short-term Therapeuttic Use: 3 days
Long-term Chronic Use: 4 to 6 weeks
Cocaine 2 to 5 days
LSD 1 to 4 days
Marijuana (THC) Casual Use: up to 7 days
Chronic Use: up to 30 days or longer
Note: THC is stored by the body in fatty lipid tissue, where it is slowly released into the bloodstream for up to several weeks. Chronic users and individuals with high body fat count are at the greatest risk of long-term detection.
MDMA (Ecstasy) 1 to 4 days
Mescaline 1 to 4 days
Methadone 1 to 7 days
Methamphetamine 1 to 4 days
Methaqualone up to 14 days
Nicotene 1 to 2 days
Opiates 1 to 4 days
PCP Casual Use: up to 7 days
Chronic Use: up to 30 days
Note: PCP is stored by the body in fatty lipid tissue, where it is slowly released into the bloodstream for up to several weeks. Chronic users and individuals with high body fat count are at the greatest risk of long-term detection.
Propoxyphene 1 to 7 days
Psilocybin (Mushrooms) 1 to 3 days
Steroids (Anabolic) Oral: 2 to 3 weeks
Injected: 1 to 3 months
Naldrolene: up to 9 months
Tricyclic Antidepressants 1 to 9 days
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