Drug Approximate Detection Time In Urine*
-
Amphetamines: 24 - 48 hours
-
Barbituates
Short-Acting (i.e.
secobarbital): 1 day
Long-Acting (i.e.
phenobarbital): 2-3 weeks
-
Benzodiazepines: 3 days
-
Cannabinoids Regular usage: 30 to forty-five days
-
Cocaine: 2-4 days
-
Methadone: 3 days
-
Methaqualone: 14 days
-
Opiates: 2 days
-
Phencyclidine: 8 days (overdose)
-
Propoxyphene: 6 hours to 2 days
* Note: Detection times vary depending on analytical method used,
drug metabolism, patient's condition, fluid intake and method and frequency of ingestion. These are general guidelines only. Information provided by a local (USA)
drug screening laboratory.