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Drug Ingestion/Detection times (Urine)

There are two time periods that are significant when it comes to the detection of drugs; how long after a drug is taken is it first detectable (ingestion) and how long the drug is detectable in urine (detection).

Drug

How soon after consumption, can the drug be detected?

How long after consumption, can the drug be detected?

Marijuana/Pot

1 - 3 hours

1 - 7 days

Crack (Cocaine)

2 - 6 hours

2 - 3 days

Heroin (Opiates)

2 - 6 hours

1 - 3 days

Speed/Uppers

(Amphetamine,

methamphetamine)

4 - 6 hours

2 - 3 days

Angel Dust/PCP

4 - 6 hours

7 - 14 days

Ecstasy

2 - 7 hours

2 - 4 days

Benzodiazepine

2 - 7 hours

1 - 4 days

Barbiturates

2 - 4 hours

1 - 3 weeks

Methadone

3 - 8 hours

1 - 3 days

Tricyclic Antidepressants

8 - 12 hours

2 - 7 days

Oxycodone

1 - 3 hours

1 - 2 days

*Times can vary significantly from these estimates based on how long the person has been taking the drug, the amount of drug they use, or the person's metabolism.

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