False Positive Patch Cocaine
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My daughter and her boyfriend are both on arithromycin for clamydia. She also was on an antibiotic for a yeast infection. He was on ibuprofen for kidney pain. He has a kindness stone. Both has failed drug tests for cocaine. One with a patch and one with a urine test. They both claim they have not used,, I tend to believe them. Can you tell me if these medications would cause a false positive for cocain. She failed a patch for cocaine a few months ago also, and she was on antibiotics then.
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In some cases commonly prescribed or even over the counter medications can cause false positives for drugs of abuse. Dextromethorphan HBr for example is an OTC ingredient in cough medicines and belongs to the same class of dissociative anesthetics as ketamine and phencyclidine (special K and PCP). If taken in recreational quantities it will produce false positives for one or both.
Antibiotics however share no structural or metabolic properties with cocaine or any other drug derived from the coca plant (benzocaine, lidocaine, novocaine, etc.)
An exhaustive study about this specific topic was conducted several decades ago if it helps clarify things.
Im on suboxone and was on azithromycin along with nyquil and i got a positive drug test for cocain.could these drugs together cause this.
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