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False Positives Forum

This forum is intended to help those who Do NOT Abuse Drugs. We do NOT support the illegal use of any substance. If you have experience with false positives, share your experience. What would you tell someone about drug testing and false positives? Please remember that this forum is not for medical or legal advice. For that you need to consult with Ada Doctor or an Attorney.

Positive for propoxyphene
Date: 6/12/2006
I am in a drug treatment facility and have been here for 6 months. I tested positive for propoxyphene and have not used for 9 months.

AskDocWeb: If you are taking prescription medication, there are a few that have been documented to show up as a false positive for propoxyphene; Co-Proximal Reference 52), Darvocet Reference 33 and Reference 52), Darvon Reference 33), and Dextropropoxyphene 33, and Reference 52).

Date: 6/13/2006
I am looking to take either Zantac or Buscozol(buscopan) for a bout of Acid Reflux. I am an athlete and get regularly drugs tested. I have read that Zantac can show as positive amphetamine on a drugs test. Could it be the same for Buscopan? Thanks for your help.

AskDocWeb: Buscopan is a brand name of Butylscopolamine. It is not known to show up as amphetamine on urine drug tests for drugs of abuse. However there are well over a hundred other possible causes for an amphetamine false positive urine test so you may want to get a confirmation test.

Pantoprazole sodium 40 mg and hydrochlorothiazide 12.5 mg
Date: 6/13/2006
Do Pantoprazole sodium 40 mg and hydrochlorothiazide 12.5 mg cause a false drug test with benzodiazpam in each medication please send me information?

AskDocWeb: Welcome Mary! Unfortunately we do not have time to send individual responses by email. According to IT Laboratories, an ISO-certified drug testing and toxicology laboratory, Pantoprazole may show up as a false positive test result for drugs of abuse.

Yeast infections
Date: 6/14/2006
can a urin test show positive for beer if you havee a severe yeast infection?

AskDocWeb: Yes, yeast infections are known to cause positive results on both the EtG and EtS tests. Alcohol testing is subject to false positives for those with diabetics, those with a yeast infection, even after the consumption of yeast and sugar (2010). Since it was common knowledge among brewers that yeast produces alcohol this effect was named "auto-brewery syndrome."

Positive ets for alcohol
Date: 6/15/2006
I had a positive ets for alcohol and did not drink any alcohol. I'm taking effexor, ultram, pamelor and percocets for depression and a pinched nerve in my neck. How could this happen? The ets cutoff is 100ng and my test showed 168? Any ideas? Also, I heard that if you have a yeast infection this could cause it too?

AskDocWeb: Yes, see the answer for Karen above.

Date: 6/17/2006
Im taking pain killer call naproxen 500mg would my hair follicle come out postive for opiate?

AskDocWeb: Some sources say that Naproxen (Aleve) may show up as a false positive for THC (References: 3, 16, and 18) but not opiates.

Indomethicin and hydrcodone
Date: 6/18/2006
I recently had a flare up of gout and I was prescribed indomethicin and hydrcodone. Will it show up on a urine test after 3.5 days?

AskDocWeb: Yse, hydrocodone is detectable for up to two weeks after taking your last dose.

Possible positives
Date: 6/19/2006
I went to my probation officer the other day and she told me i gave a positive for meth, im currently taking vpx meltdown, whey protien + Elite Series, N.O.Fury Elite series, And i took one cycle of steroids 100%testostrome 100 cc but i took that a week ago or two, can any of these thing cause me to be positive?

AskDocWeb: You can check the individual ingredients against this list for possible positives.

Positive negative positive
Date: 6/19/2006
Can a GCMS analysis be done to show if there was any use of marijuana that day that it tested positive? I had a high level of THC on 5/13, neg on 6/3/2013 and then positive on 6/11. How can it be negative and then positive when THC stays in they system for 45-90 days after quitting?

AskDocWeb: The most likely reason is exposure to THC between the second and third test. The GCMS analysis does not identify a specific day that the exposure took place. It can only quantify how much was in the sample at the time of the test.

Animal Cuts
Date: 6/20/2006
Animal cuts - Does it show up on a full screen drug test or is it save to use?

AskDocWeb: A quick check shows the following ingredients in Animal Cuts (in alphabetical order):
  • Ashwangandha Extract
  • Bacopa Monniera (Bacopasides A & B)
  • Bioperine«
  • Black Tea Extract
  • Buchu Leaf
  • Caffeine Anhydrous
  • Cayenne
  • Celery Seed
  • Cha-De-Bugre
  • Coffee Bean Extract
  • Coleus Forskohlii
  • Dandelion Root
  • Dicalcium Phosphate
  • DMAE (Dimethylaminoethanol)
  • Evodiamine
  • FD&C Blue #1
  • FD&C Red #3
  • FD&C Red #40
  • FD&C Yellow #5
  • FD&C Yellow #6
  • Gelatin
  • Ginger Root
  • Grapefruit
  • Green Tea Extract
  • Guarana
  • Hoodia Gordonii
  • Huperzine A
  • Hydrangea Root
  • Jojoba Seed Extract
  • Juniper Berry Fruit
  • Kola Nut
  • L-Tyrosine
  • Magnesium Stearate
  • Magnolia Bark Extract
  • Microcrystalline Cellulose
  • Naringin (Citrus)
  • Olive Leaf Extract
  • Oolong Tea Extract
  • Quercetin
  • Raspberry Ketones
  • Rhodiola Rosea (Rosavins)
  • Salvia Officinalis
  • SerinAid«
  • ▀-Phenylethylamine (▀-PEA)
  • Stearic Acid
  • Titanium Dioxide
  • Uva Ursi Leaf
  • White Tea Extract
  • Xanthinol Nicotinate
  • Yerba Mate
None of the above ingredients are known to show up on drug screens for drugs of abuse.

2nd hand exposure?
Date: 6/22/2006
I am on probation so i am mandated to wear a drug patch. My patch came positive for opiates/herion, when i never use that. Is it possible because my boyfriend uses and i have unprotected sex with him thats why my results came back positive? Or just being around the drug can cause a positive?

AskDocWeb: It takes more than just being around someone who uses drugs in order to test positive on a drug test. In most cases it takes physical contact, which of course does increase your chances of exposure to the illegal drugs.

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