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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Will Quitting Marijuana For A Few Days Before Saliva Test Still Detect Its Presence?

How many days should I quit smoking marijuana before a saliva test to come up negative? I am a heavy smoker, 7 days a week possibly up to 3 g a day. I have 4 days until the test.....I have been searching the internet and so many different answers are found, ranging from 12 hours up to 7 days...please clarify for me!
Tue, 17 Jun 2014
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Psychiatrist 's  Response
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Thanks for using healthcare magic

Cannabis is detectable by saliva testing. Just like blood testing, saliva testing detects the presence of parent drugs and not their inactive metabolites. This results in a shorter window of detection for cannabis by saliva testing. If saliva sample is tested in a lab, the detection level can be as low as 0.5 ng/mL (up to 72 hours after intake). In case, you have more query, you can ask.

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Will Quitting Marijuana For A Few Days Before Saliva Test Still Detect Its Presence?

HI Thanks for using healthcare magic Cannabis is detectable by saliva testing. Just like blood testing, saliva testing detects the presence of parent drugs and not their inactive metabolites. This results in a shorter window of detection for cannabis by saliva testing. If saliva sample is tested in a lab, the detection level can be as low as 0.5 ng/mL (up to 72 hours after intake). In case, you have more query, you can ask. Thanks