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Doctor insights on: How Far Back Does An Oral Drug Test Detect Cannabis

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How far back does an oral drug test detect cannabis?

How far back does an oral drug test detect cannabis?

Depends: Since thc (the active ingredient in marijuana) binds to fat, it depends on you much fat you have, how much you use, & how physically active you are. It would not be unusual to test positive for a month. ...Read more

Dr. Alan Wartenberg
524 doctors shared insights

Drug Testing (Definition)

It is the process of examining body fluids or tissue for evidence of chemicals taken or not taken. It does not diagnose addiction however this a ...Read more


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I take 80mg of omeprazole a day I just had a drug test for work and it came back positive for THC I do not use marihuana why did this happen ?

I take 80mg of omeprazole a day I just had a drug test for work and it came back positive for THC I do not use marihuana why did this happen ?

False positive.: Most labs use EMIT,Enzyme Multiplied Immunoassay Technique which is prone to errors and Protonix does cause a false positive reading for Marijuana. When you have a urine drug test bring your prescription bottle with you. It could also be technician error. ...Read more

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Will you test positive for a drug test if using TOPICAL ONLY cannabis lotion?

Will you test positive for a drug test if using TOPICAL ONLY cannabis lotion?

Thc test: true topical lotions --- studies have not shown it positiv e on urine drug screens-------however the new transderm THC patch will show ...Read more

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I was a heavy daily cannabis smoker for 12 months, i'm also overweight. I have quit 70 days ago. Will i test positive in a urine drug test in a week?

I was a heavy daily cannabis smoker for 12 months, i'm also overweight. I have quit 70 days ago. Will i test positive in a urine drug test in a week?

it is possible: You can purchase your own urine drug test for cannabis for about $20 at any pharmacy and test yourself and see. The heavier the use, the longer people remain positive, and ditto for the heavier you are. ...Read more

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Why do I smoke pot everyday and have a negative drug test for cannabis ?

Not sure: Good question. Single use of marijuana should be out of your urine in 1 to 7 days. Regular use of marijuana – should be out of urine in 7 to 100 days. Single use marijuana can be detected 12 to 24 hours in blood. Regular use marijuana can be detected for 2 to 7 days in blood.Marijuana regular use detected in hair for months. Single use might not be picked up in hair. Bottom line - i don't know. ...Read more

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How long does it take to get a neg of marihuana in a drug test being a daily smoker for years?

How long does it take to get a neg of marihuana in a drug test being a daily smoker for years?

Several months: And that's only if you stop and do not use it ever again. With daily use, urine will stay positive for at least 90 days. Hair will stay positive 90-120 days. ...Read more

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My bf smokes marihuana. If he came inside me and right after i went to take a drug test can his sperm slip out and affect the test?

Marijuana : You have to ingest marijuana yourself for your tests to be positive. You do not ingest marijuana by receiving semen from your boyfriend during intercourse. ...Read more

Marijuana (Definition)

Marijuana refers to the various preparations of the Cannabis plant into the psychoactive drug for recreational use ...Read more