| Drugs of Abuse | Classification | Approximate Detection Time In Urine |
|---|---|---|
| Amphetamines | Central nervous system Stimulants | 24-48 hours |
| Barbiturates | Depressants Sedative hypnotic | Short acting 1-day Long acting 2-3 weeks |
| Benzodiazapenes | Minor tranquilizers Anti-anxiety/sedative | Therapeutic Dose 3-days |
| Cocaine Metabolites | Stimulant Local anesthetic | 2-4 days |
| Opiates | Narcotic Analgesic | 2-days |
| Methadone | Sedative Hypnotic | 14-days |
| PCP | Hallucinogen Dissociative anesthetic | Overdose 8-days |
| Propoxphene | Narcotic Analgesic | 6-hours - 2-days |
| THC | Hallucinogen | Acute dosage 2-3 days Chronic use 25-30 days |
| Methaqualone | Sedative Hypnotic | 14 days |
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