A False Positive Cocaine Urine

Updated

I had a urine test recently, it was positive. I question it because the person was leery about what she was seeing and the receptions said not sure. but yet, it was circled anyhow. I have never in my life taking any sort of drug unless prescribed. I take Amphrtamine salts (genric for adderall),20mg 2x a day. Losartan 100-25mg, Leovothyroxine 50mg (Genric for Synthroid a Thyroid medication.) and Montelikastast Sod (Genric for Singulair). Sometime I take herbs for my now entering into the Change of life which are; Black current seed, chasteberry extract, Dong Quai, Wild yam, Black current Extract, Gonko Biloba Leaf Extract.
And Diphenhydramine HCI 25mg. (a genric of Benadryl) for my allergys. Would any of these pose as a cocain reading?

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1

What I was saying, in my last statement that the test came back positive for cocaine. I have had these test in the past but in some way I was set back seeing cocaine. I did send in the scrips to the company I had the test from. Was taking an antihistamine a generic for Benadryl and the Aderall. feedback from my results. It was the Diphenhydramine that masked as the cocaine. The Aderall I knew would come back as a amphetamine. So I am fine now. Thank you!

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2

Fantastic, I am glad you got your answer and the situation has been resolved.

Just for future reference, if the test used is one of the less expensive, non-certified ones, then these types of false positives are known to occur anywhere from 4 to 50% of the time. Thus, if you get another one and you know you didn't take the drug detected, don't be afraid to pursue it further, even if you have to pay for a lab test yourself.

Learn more drug test details here.

Are there any questions or comments?

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3

tested positive at pain clinic for cocaine. my question is, could taking 60 mgs of pseudoephedrine, 200 mg strattera, oxycodone an hour or two prior to giving urine make a difference? I also take meloxicam, trazodone, baclofen, guaifenesin 800mg, eye vitamin, calcium, magnesium & zinc, centrum silver multi-vitamin, albuterol aerosol??

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4

I am diabetic. I take 2 different type insulin victoza and lantus, as well as one oral januvia, along with the other regular diabetic meds lopid asprin zisteril and zocor. I also take xanax, fetzima, ambien, and nuvigil for depression and anxiety. I also have a kidney infection and i failed for having cocaine in my system and faint line for methamphetamine on a urine drug test. I am completely shocked there is no way i should of tested positive for anything other than benzo's due to the xanax and whatever else my psych med shows up as. I am in tears due to this. please help me understand how this could happen and what i need to get from my primary doctor to dispute my false positive results.

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5

Hi, I'm not sure about testing positive for cocaine, but know for sure adderall can make you test positive for methamphetamine.

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6

Only cause could be a kidney or liver infection or cocaine use. Go to ur doctor. Good luck.

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