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Smoked 10 days ago, for how many days will saliva test be positive?

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How far back can salvia test go on drugs I smoked 10 days ago my drug test was on the 10 day I had to chew on a cotton ball for 3 minutes.

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Category: Family Physician-GP
 31 Doctors Online


It is unlikely to show up on the saliva drug test after 10 days but it depends on the drug.

Saliva drug test used usually in pre employment uses a band stick which detects the presence of minute amount of alcohol.

It detects a variety of commonly used drugs of abuse. The corresponding drug band lights up for a particular drug.

Here are the common lag time between the use of drug and detection of the drug on test.

Alcohol 1 Day
Opiates - 3 days.
Cocaine - 1 day.

Cannabis - one day.

These drugs can remain in the hair follicle up to 4 weeks.

Thank you.

Dr. John Monheit
Category: Family Physician-GP
Residecny: North Colorado Family Medicine
Medical School: The Chicago Medical Center
Dr. John Monheit and 4 other Medical Specialists are ready to help you

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