Drug Testing


Drug Testing

Drug Rehab for Teens


Drug testing is the most effective way to determine whether an individual has alcohol or substances in their body and if so, what substances were used.

There are several common forms of drug testing- urine, hair, oral fluid/saliva, sweat and blood.  As the chart shows below, hair follicle drug tests can show traces of alcohol and substances much longer than that of urine, blood and saliva.

Drug Rehab for Teens values the importance of helping keep a recovering addict or alcoholic stay honest in his or her sobriety.

Approximate values for detection periods




Blood / Oral Fluid


6–24 hours[3] up to 2 days 12–24 hours

Amphetamines (except methamphetamine)

1 to 5 days[4] up to 90 days 12 hours


3 to 5 days[5] up to 90 days 1–3 days[5]

MDMA (Ecstasy)

72 hours up to 90 days 24 hours

Barbiturates (except phenobarbital)

1 day up to 90 days 1 to 2 days


2 to 3 weeks[6] up to 90 days 4 to 7 days


Therapeutic use: up to 7 days. Chronic use (over one year): 4 to 6 weeks up to 90 days 6 to 48 hours


2 to 7 days, up to >30 days after heavy use and/or in users with high body fat[7] up to 90 days[7] 2–3 days in blood, up to 2 weeks in blood of heavy users cases.


2 to 5 days with exceptions for certain kidney disorders up to 90 days 2 to 5 days


2 to 3 days

Cotinine (a break-down product of nicotine)

2 to 4 days up to 90 days 2 to 4 days


2 to 4 days up to 90 days 1 – 3 days


3 to 4 days[8] up to 90 days 1– 2 days


12 to 24 hours Undetectable[citation needed] 2 to 4 days


3 days up to 97 days 24 hours


3 to 7 days for single use; up to 30 days in chronic users[9] up to 90 days 1 to 3 days[9]

This chart from LabCorp gives approximate detection periods for each substance by test type

– From Wikipedia (Drug Tests – Wikipedia)

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