Drug Detection Times

Detection Periods

The amount of time any drug can be detected in one's system can vary from person to person and test to test. It certainly can also depend on the amount of the drug taken and when it was taken relative to the time of the test. Keeping in mind that there is no 100% hard and fast rule for how long a drug will be in one's system, listed below are some general guidelines on the drug test detection time for various drugs.

Approximate Detection Time in Urine

1. Alcohol 1-2 days
2. Amphetamines (crystal, Ice, crank, methamphetamines) 5-7 days
3. Barbituates Short-Acting (ie. secobarbital) 1-2 days
4. Barbituates Long-Acting (ie. phenobarbital) 2-3 weeks
5. Benzodiazepines (Librium®,Valium®,Serax,Xanax®) 2-30 days
6. Cannabinoids (THC,Marijuana) 20-90 days
7. Clenbuterol 2-4 days
8. Cocaine (Crack) 3-5 days
9. Codeine 2-5 days
10. Euphorics (MDMA, Ecstasy) 3-7 days
11. LSD 1-4 days
12. Methadone 3-5 days
13. Methaqualone (Quaalude) l-14 days
14. Opiates (heroin, Vicode, morphine, codeine) 2-7 days
15. Phencyclidine (PCP, Angel Dust) 1-30 days
16. Phenobarbital 10-20 days
17. Propoxyphene (Darvon) 1-3 days
18. Psilocybin (mushrooms) 3-5
19. Steroids (anabolic) oral 14 days