Drug Detection Times

PharmChem's Drug Detection Periods for Urine

Detection Period is the length of time that particular drug metabolites remain in the body and
can therefore be detected by simple urine drug screening test. With abstinance strategy for
beating the drug test, you abstain from using the particular drug prior to testing for at least
the detection period listed below.

Drug

Amphetamines - Stimulants

Methamphetamine

Barbituates - Sedative Hypnotics

Butalbital

Pentobarbital

Phenobarbital

Secobarbital

Bensodiazepines - Sedative Hypnotics

Chlordiazepoxide (Librium)

Cannaboids - Euphoriants

Chronic use

Cocaine - Stimulants

Benzoylecgorine Ethanol - Sedative Hypnotics

Alcohol Methadone - Narcotic Analgesics

Methaqualone - Sedative Hypnotics

Quaalude OpiatesNarcotic Analgesic

Hydromorphone

Morphine for Heroin

Phencyclidine (PCP)Hallucinogens

Chronic use

Detection Period

Up to 72 hours

2-4 days

Up to 30 days

2-4 days

Up to 30 days

1-4 days

Up to 14 days*

Up to 72 hours

Very short**

1-4 days

2-4 days

Up to 5 days

Up to 14 days*

*In rare cases, marijuana may be at a detectable level for up to 30 days.

**Alcohol is excreted at the rate of approximately one oz. per hour.

For other strategies to pass the drug test, see

Pass The Test: An Employee Guide To Drug Testing

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