Kirby Says:
Can Lidocaine Cause A Positive Drug Test (Page 3)
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Jackie M. Says:
I went to court, and took a drug screen and I was tested positive for cocaine. The day before my doctor gave me a shot that had lidocaine in it.
49 Replies (3 Pages)
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41
Re: Deeshankem (# 11) 
If in fact you did have a dentist appt go get the dentist report make sure they list of medication. Very important to do that if you are dealing with DCF you are guilty. Once proven, it is a process still to get your child back. Good Luck!!!
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Doodah Says:
Re: Kevin (# 15)
He wasn't being RUDE or acting like he wasn't HUMAN!! Wow...that's dramatizing a little, don't you think?
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Mccullough Says:
Are there any answers for a failed hair test for cocaine after seeing a dentist? I've never taken the drug at all. Please help.
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Ann c Says:
Will lidocaube/Novocaine show up in an ORAL drug swab?cannot seem to get answer
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L L Curious Says:
I had an antibiotic shot that had 0.9 ml of lidocaine 1% in it. Will it show up on a hair follicle test?
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EmmaV Says:
Re: got2bme38 (# 36)
A lot of over the counter meds can cause many different false positives for different substances. Delysm, Robitussin, that contain DXM can cause a false positive for PCP and LSD. Tylenol can spark false positives. ZOLOFT of all things can cause a false Benzodiapine positive. I was accused many times of taking benzos when they're not prescribed to me, it took my genius doctor to realize the Zoloft was doing it. Unless they run a thorough test and not just a quick piss in a cup test, false positives can happen. Just because they can cause false positives does NOT mean they certainly will. Just ask for a hair follicle test which goes back 6 months.
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Kaylab Says:
Re: Deeshankem (# 11)
Any benzodiapen will test positive for that. Could be a certain sleeping pill, anti antianxiety, etc.
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Donna Says:
Re: Forensic lab tech for 20 years (# 7)
During my lip filler appointment, the doctor put this cream (very thickly spread) inside my lips and outside on my lips and mouth. It was nasty tasting....I read that the combination of numbing agents has cocaine in it and I joked that I may test positive should I be tested and my plastic surgeon says that I would test positive as I’m ingesting it....I’m not expecting a test anytime soon but plastic surgeons use the same numbing for lip filler as they do for nose jobs and that’s straight from my Dr's mouth.
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LokiKiwi Says:
Re: Forensic lab tech for 20 years (# 7)
I know lidocaine can produce a false positive in a powdered sample thought to be cocaine as it is similar in chemical structure. I know because it happened to me. Having a similar chemical structure to cocaine if it got broken down in the body for elimination, wouldn't some of those metabolites be similar to each other causing a positive reading? Do you know exactly which metabolite it is it looks for to make the result a positive and whether this metabolite is produced in the body after taking in lidocaine? I know from my own experience and research into the topic the manufacturers of these drug testing kits will play down the effects of false positives, even lie about their occurrence all to sell their product which which is morally wrong and ruining the lives of countless innocent people.
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