The following table shows how long different drugs can be detected in urine tests.

Different things can affect these times such as:

• body weight
• medication and other drugs and alcohol
• amount of drug taken
• regular use of drug/alcohol or occasional use

Alcohol	3-4 days
Amphetamines	2-4 days
Barbiturates: Short-Acting (e.g. pentobarbitone)	1 day
Barbiturates: Long-Acting (e.g. phenobarbitone)	2-3 weeks
Benzodiazepines (e.g. diazepam)	3-7 days
Cannabinoids	3-30 days (up to 2 months in habitual users)
Cocaine	2-4 days
Codeine	2-5 days
Dihydrocodeine	1-4 days
Ephedrine	1 day
Ketamine	2-4 days
LSD	1-4 days
MDMA	1-3 days
Methadone	3-5 days
Metamphetamines	2-3 days
Methaqualone	Up to 2 weeks
Morphine	2-3 days
Phencyclidine	8 days
Propoxyphene	7-10 days