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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 we do not give medical or legal advice.


Subj: NOS shots and NOS energy drinks
Date: 8/22/2008
My boyfriend just too a urine drug test and tested positive for THC. He drinks ALOT of NOS shots and NOS energy drinks. Can either one of those drinks cause a false positive? He has not smoked pot in over 10 years. Can you please help. It depends on his job.
Wendy

AskDocWeb: We know that other people that use energy drinks have had problems with drug tests but so far there hasn't been any official documentation on it.


Subj: Does he have the right
Date: 8/22/2008
I am being harrassed by my supervisor to take urine test, he made me take two so far, I take Zantac, aleve and triglyceride medicine, does he have the right to force these urine test on me. The first two came back positive for PCP and I have never taken that drug.
Tim

AskDocWeb: We suggest you call your state attorney general's office and find out.


Subj: Fluconazole?
Date: 8/22/2008
Can taking fluconazole cause you to test positive for cocaine? Please Help,
Jackie

AskDocWeb: There is no evidence that fluconazole might cause a false positive for cocaine. You might get a GC/MS confirmation test to identify the cause.


Subj: Tested positive for methadone
Date: 8/23/2008
I have a very serious question I'm on probation and I went to take a drug test today and they said I tested positive for mtd which they said is methadone. Well I have never done anything like that in my whole life. Is there any thing that could have causded this b/c I'm not on any kind of meds or anything? And I just dont understand how this could have happened. They are sending it off to a lab to be looked at for something in my urine to be looked at and it will determine whether or not there's something in it.
Stevie

AskDocWeb: If they are sending it off to a lab, it's likely to be for a GC/MS confirmation test which should clear this up.


Subj: Positive for opiates
Date: 8/24/2008
Hi, I did a drug screen and it came back positive for opiates and I am trying to find out how can some one help me the only meds I take r folic acid, propranolol, epitol, baclofen, imitrex can someone help me?
Sandra

AskDocWeb:
According to at least one toxicology lab (Reference 18), some urine drug tests falsely identify Imitrex as Lyseric Acid Diethyland.


Subj: Drug test for cocaine
Date: 8/24/2008
Hi my mother takes celexa, Lorazapem, welllubutrin, Vicodin-extra strength, Lamictal, ibuprfen800, Exedrine, but she doesn't do cocaine, but she went to take a drug test for cocaine and it came up positve. Could any of these proscription drugs have a false effect on this outcome?
Ari

AskDocWeb: Yes, several of them are reported to show up as false positives; Excedrin, ibuprofen, Lorazepam, and Wellbutrin. On the other hand, Vicodin ES® actually contains synthetic opiates.


Subj: A positive result?
Date: 8/25/2008
My nephew is currently in a drug treatment program for a heroine addiction. He is on probation and is subject to drug testing. He recently came up with a positive drug test for a slight amount of Opiates in his urine when tested by his probation officer. Other test taken at the treatment center have all been negative. While in detox approximatly within the last 30 to 45 days he was taking suboxone. He has also been prescibed Mirtazapine, trazadone and Toprol. Is it posible that any of these meds could cause a positive result in a drug urine test. These positive tests will probably send him to prison. Any information you could provide would be extremely helpful and greatly appreciated.
Julie

AskDocWeb: The New York state office of Alcoholism and Substance Abuse Services published a document that says false positives show up in urine tests when Trazedone is used. (Reference 32)


Subj: Tested positive for benzodiazepines
Date: 8/26/2008
My girlfriend is going through rehab currently for cocaine abuse. She has been clean for 3 months now and was at a NA meeting last night and they did a random drug test on her and it came back positive for benzodiazepines. She takes a whole list of meds including: Wellbutrin, Abilify, Gabapentin, Fluoxetinel, and Cymbalta. Plus Vit B12, and Excedrin and Ibuf for headaches. Could any of this cause her test to come back positive?
B W

AskDocWeb: Yes, both Excedrin and Wellbutrin are on the list.


Subj: THE JOB & THE URINE TEST
Date: 8/26/2008
I HAVE TO PASS A URINE TEST FOR MY JOB, SO. Like a lot of folks in this state, I have a job. I work, they pay me. I pay my taxes and the government distributes my taxes as it sees fit. In order to get that paycheck, I am required to pass a random urine test with which I have no problem.

What I do have a problem with is the distribution of my taxes to people who don't have to pass a urine test. Shouldn't one have to pass a urine test to get a welfare check because I have to pass one to earn it for them? Please understand, I have no problem with helping people get back on their feet. I do, on the other hand, have a problem with helping someone sitting on their ASS, doing drugs, while I work. . . . Can you imagine how much money the state would save if people had to pass a urine test to get a public assistance check? Pass this along if you agree or simply delete if you don't. Hope you all will pass it along, though . . . Something has to change in this country.
Anonymous


Subj: Amoxicillin
Date: 8/26/2008
Can amoxicillin cause you to test positive for cocaine? Because I was takin it and I took a drug test and came up positive for cocaine.
Steve

AskDocWeb: Yes, urine tests can show amoxicillin as a false positive for cocaine (References 13, 16, 18, 20, 21, 26, and 29).


Subj: Positive THC on saliva test
Date: 8/27/2008
Got positive thc on saliva test. Had not been using 4 one month, got hit in mouth at work chipped tooth cut lip. Dentist said I had thick black brown stain on back of teeth form 5 years of smoking pot. Could that have set off test? Had to pee clean to return to work did 1 week after and was clean?
Rich

AskDocWeb: Sorry Rich, we don't have the dental expertise to answer that.


Subj: False positive for cocaine?
Date: 8/27/2008
My boyfriend recently tested false positve for cocaine on a urine test. I was wondering if the ingestion of excedrin could induce this false positve as he is not doing any drugs?
Kathy

AskDocWeb: Excedrin IB sometimes shows up as a false positive for THC (Marijuana) but not for cocaine.


Subj: Tested positive for cocaine
Date: 8/27/2008
Tested positive for cocaine have a liver disease also drink jamican root tonic, take atripla for hiv cock tail and respirdol for bi polar.
Leonard


Subj: Klonopin or celexa?
Date: 8/27/2008
Can klonopin or celexa make thc show a postive in a urine test? Thanks,
FKR

AskDocWeb: There is no problem with Celexa but Klonopin contains benzodiazepines which would likely show up on a urine test.


Subj: Just being paranoid?
Date: 8/27/2008
Children Service's have received a bogus report on me that I've been doing heroin. I agreed to submit to a drug screen. I currently take zoloft for depression and am concerned that it will show up for benzo's on my test. I have a prescription for Xanax but I don't take them. I gave the tester my prescriptions and she said that if it came back on my test it would still be a negative result. I think maybe I am just being paranoid about the situation. What do you think?
Mandy

AskDocWeb: We think false positives happen in a small percentage of cases but since you gave them your prescriptions you should be okay.


Subj: Showed positive for propoxyphene
Date: 8/28/2008
I recently had a drug screening for employment. It showed positive for propoxyphene. I take prescription famotidine and alprazolam. I also have taken sudafed for a sinus headache. I have not taken any prescription pain killers over the last year.
Jim


Subj: I try to use naturopathic means
Date: 8/29/2008
I have a fibromyalgia, a few minor ailments and now I'm being referred to a neuro-surgeon for stenosis growing into the spinal cord cavity. However, I was just told I was being offered a job I've really wanted, but I didn't want to tell them all my ailments (especially the stenosis), so I didn't tell them all my supplements, although I told them all my prescriptions. The list is pretty long because I try to use naturopathic means (and tell my doctors about my efforts) to maintain my health as much as possible. Here is a list of what I'm taking. Do you think any of these could be a problem with a drug test? One-a-Day Weight Smart (or CVS store brand equivalent) Calcium Citrate + D with Magnesium (250 IU Vit. D 10 mg Vit. B-6) Calcium citrate 500 mg Magnesium oxide 80 mg; Zinc 10 mg; Copper 1 mg; Manganese gluconate 1 mg Sodium borate 1 mg) Vitamin C (500 mg) COQ10 (100 mg, 2x/day, begun 8/14/2007) Lyrica (begun 10/9/2007) Provigil (100 mg) 5-HTP (50 mg) [Also helps IBS] RS Medical RS4i Stimulator (15 min. pain setting, 30 min. muscle setting ea. time) SAMe (200 mg) amitryptilene (25 mg) Probiotic "Culturelle" with lactobacillus GG (10 billion cells) Fish oil concentrate (1000 mg; with Elcosapentaenoic acid, 180 mg DHA 120 mg, "other fatty acids", 40 mg, and Omega-3, 340 mg) Fiber Choice tablet DHEA (50 mg) Evening Primrose Oil (500 mg) Systane (as needed, at least 1x/day) Restasis drops (2x/day 1 drop each eye) SinuCleanse Clindamycin phosphate lotion (even days only) MetroCream topical cream 0.75% (odd days only) Horse Chestnut Extract (300 mg) Cayenne (450 mg) Chlorella (500 mg) Milk Thistle (500 mg)
Margo

AskDocWeb: None of what you list has been reported to cause any problems on drug tests.


Subj: Hydroxyzine or Atarax?
Date: 8/30/2008
Can you test positive on a UA for hydroxyzine or Atarax?
Aaron

AskDocWeb: There have been no reports of that happening however, if you think you received a false positive result on a urine drug screening then do request a GC/MS confirmation test and let us know the result.


Subj: Ibuprofen/Motrin can cause a false positive
Date: 8/31/2008
In 1994, UCLA did a research study on over 144 over the counter medications that caused a false positive on numerous urine drug screens. A variety of cough and cold formulas were found to cause a false positive for amphetamines. I was searching for a reason why I had shown a false positive for THC and found that Ibuprofen/Motrin can cause a false positive. A certain brand of drug test kits were found to have done this. Arthritis. As far as Amphetamines are concerned, a variety of cough and cold formulas are the reason. I was also very embarrassed when this happened.
Robyn

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