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Doctor insights on: Does Xenical Give A False Positive Drug Test

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Does xenical give a false positive drug test?

Does xenical give a false positive drug test?

No: I know of no research that shows xenical can cause a false-positive drug test. All xenical does is block some of the fat from your diet from being absorbed, thus decreasing your calorie intake. This shouldn't cause either a urine or a blood drug test to become positive. ...Read more

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Dr. Alan Wartenberg
542 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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Can diabetes give a false positive for cocaine in a urine drug test or would it cancel the test?

Can diabetes give a false positive for cocaine in a urine drug test or would it cancel the test?

Myths: No. Not in any way would having diabetes cause a false positive or negative on a drug screening process for cocaine. ...Read more

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Would azithromycin give a false positive for cocaine on a urine drug test?

Not a problem: Generally members of the penicillin family of antibiotics and especially Amoxicillin may falsely produce a urine drug test positive for cocaine. Azithromycin is in a different antibiotic structural class and is not known to produce this false positive result. ...Read more

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Will belviq (lorcaserin) give you a false positive on a drug test?

No: You are safe in that regard, but depending on whether it is a urine test or blood test it can detect your prescription medications, if that is ordered along with the drug screen. ...Read more

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Will flexeril (cyclobenzaprine hcl) give you a false positive on a drug test? I have recently been prescribed flexeril (cyclobenzaprine hcl) and took a drug test and i failed it. I do not do drugs and it showed up as THC why is this

Will flexeril (cyclobenzaprine hcl) give you a false positive on a drug test? I have recently been prescribed flexeril (cyclobenzaprine hcl) and took a drug test and i failed it. I do not do drugs and it showed up as THC why is this

Not likely: Most drug tests use a first test, TLC or thin layer chromatography, as an initial screen. This test is prone to cross-reaction or "false positive" results for some substances. Usually if the TLC is positive, a second test, gcms or gas chromatography mass spectroscopy is used to confirm. This test is much more specific for specific molecules and not likely to yield false positive results. ...Read more

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Can pseudoephedrine sulfate result in a false positive drug test?

Pseudoephedrine: Yes, to stimulants such as meth, & also to ecstacy. ...Read more