Can Kelfex Or Acyclovir Make You Fail A Drug Test?

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I have a script for Lortabs, but failed my drug test for opiates and oxy... I am currently taking antibiotics (keflex) and acyclovir for feaver blisters, would either one of those make me fail a drug test for oxy???

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1

No, neither the Keflex, nor the Acyclovir have been known to cause false positives for anything.

However, it might have been from the Hydrocodone in the Lortab, since it is an opiate narcotic and many of them are well known to cause false positives for their relatives.

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2

What drug would show up positive on a drug test for meth and dba? I'm a cancer patient and take numerous drugs.

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3

what would give false positives for methamphetamine and methadone? I take roxidone and klonopin but test results came back as other. I don't know what the heck and it's about to cause a divorce. Thank you for ANY help.

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4

If you take a muscle relaxer or anything that has meth in it, it will show up on a drug test as meth. I suggest looking up what is in your medication.

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5

You can eat a sesame seed hamburger bum and test positive for drugs. It's the seeds. I think they need a better way of testing

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