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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Can patients taking Efavirenz show false positive for Marijuana?

I have an person who tested positive for marijuana use via urine screening. He s on the drug Efavirenz. I found one study at WWW.WWWW.WW that indicated 98% of people with HIV on a regimen containing Efavirenz tested false positive for benzodiazepines - but not marijuana. Your assistance is determining whether or not this is a false positive would be greatly appreciated.
Wed, 8 Jan 2014
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General & Family Physician 's  Response
hello there!
Effaverenzi s an anti HIV drug antiviral, and though marijuana use increase its effect in the body, claiming it to be the false positive marijuana in urine is not proved , at least not in my knowledge. As these two drugs have nothing in common and they are totally different. SO better have a second opinion from addiction medicines specialist for better judgement.
regards
S Khan
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Can patients taking Efavirenz show false positive for Marijuana?

hello there! Effaverenzi s an anti HIV drug antiviral, and though marijuana use increase its effect in the body, claiming it to be the false positive marijuana in urine is not proved , at least not in my knowledge. As these two drugs have nothing in common and they are totally different. SO better have a second opinion from addiction medicines specialist for better judgement. regards S Khan