Drugs and detection times in urine
| Drug | Approximate detection time |
|---|---|
| *Reproduced with permission from Leeds Teaching Hospitals Toxicology Department. | |
| Opiates | 2 Days |
| Amphetamines | 2 Days |
| Cocaine metabolites | 2–4 Days |
| Cannabinoids | |
| Moderate use | 5 Days |
| Heavy use | 10 Days |
| Chronic smoker | 20 Days |
| Benzodiazepines | |
| Therapeutic dosage | 3 Days |
| Extended dosage | 4–6 Weeks |
| Methadone | 3 Days |