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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.


Subject: Tested positive for cocaine
Date: 6/13/2011
I was recently perscribed Vicodin/hydrocodone, and a cream with sulfa in it for bad burns and advised to take ibuprofin or advil along with it. I also have a perscription for Trileptol for mood swings. I took all my medications before going to sleep one night and another dose of the vicodin the next morning, and had a pre-employment screening that day. I expected to test positive for opiates, and had already made them aware of my perscription. However, I also tested positive for cocaine, which I have never used in my life.

They are currently denying me a retest, and want me to send them my results before I consult my doctor about this, which I am very uncomfortable doing. I am concerned because there is no reason I can think of why I should test positive for this and it could severely jeopardize both my Military and Professional career. Could any of those medications have produced a false positive?
Worried

AskDocWeb: Some of what you list has been reported to cause false positives but not for cocaine. A retest may not be nearly as important as a confirmation test, which would eliminate false positives. Note that a confirmation test must be performed on the original sample.


Subject: NCAA ban on glucosamine
Date: 6/13/2011
Why did the ncaa ban glucosamine?
Gary

AskDocWeb: The NCAA lists glucosamine as an impermissible ingredient, not a banned one. It may be splitting hairs but they do make a distinction between banned and impermissible ingredients. Impermissible nutritional supplements are those that contain ingredients that do not meet the criteria spelled out in NCAA Division I Bylaw 16.5.2.g, and Division II Bylaw 16.5.1.h. Those bylaws define what kinds of nutritional supplements institutions may provide to student-athletes to assist them in calorie and fluid replacement. Glucosamine does not meet their criteria however we were unable to locate an online copy of those bylaws.


Subj: Oxycodone?
Date: 6/15/2011
Can oxycodone be mistaken for heroin on a urinalysis?
Kenny

AskDocWeb: Heroin breaks down into codeine and morphine so testing positive for morphine on a urine test indicates possible heroin usage. On the other hand, oxycodone doesn't convert into morphine. It converts into morphone which usually doesn't show up. However, since morphone is so closely related to morphine, if massive amounts of oxycodone were taken, then it might trigger a false positive for morphine.


Subj: Vyvanse not showing up on drug tests
Date: 6/15/2011
I am currently at a Methadone clinic and take 110mgs a day of liquid Methadone. I have been at this same dose every day for the past 5 years. I am 28 years old and weigh 225ibs. 4 months ago the clinic Dr. prescribed me Vyvanse 60mgs. The Vyvanse helped alot with my ADD and helped my focus tremendously. The problem is that the Vyvanse has not shown up on any drug tests since the 1st month it was prescribed.

Some weekends I will not take my Vyvanse because I will want to relax and not be "in the zone" all day. But with the Vyvanse not showing up in my drug screens, they are going to stop prescribing it. I took another drug screen today in hopes to clear up any confusion. Have you ever heard of anything like this happening or would you know why the Vyvanse may not be showing up? I do drink gallons of water and orange juice every single day and I also sweat profusely on a daily basis also as the Methadone causes increased sweating and now the Vyvanse added to that is almost too much to handle. Any information on this would be greatly appreciated. thanks!!
John

AskDocWeb: Hopefully you understand that if they can't detect the Vyvanse in your system then there is a concern that you might be selling them or providing the drug illegally to someone else. Just the appearance of guilt can get a person kicked out of many treatment programs. Drinking excessive amounts of water is known to dilute some urine drug test results. If it dilutes the concentration of the drug in your urine below detectable levels then you may be in trouble.


Subj: Tested positive for methamphetamines
Date: 6/15/2011
Hi, I tested positive for methamphetamines at work during a drug screen. The only medicines I take is birth control and prilosec. I also take natural supplements such as: zine, biotin, colostrum, lactoferrin, GABA, taurine, colloidal silver, etc..(I take a plethora of vitamins). Anyhow, I do not abuse drugs and am fearful since I can lose my job. Can any of the above result in a false positive? Who should I consult ongoing? A pharmacist, doctor, lab??? Thank you for your help.
Heather

AskDocWeb: None of what you are taking has been reported to cause a false positive for methamphetamines on urine drug tests. What you do varies depending on what state you live in and the company policy of the employer. It is important to contest the false positive results of a urine drug screen. Not doing so may be viewed as an admission of guilt and could become a part of your work record or employment history.

You could consult with an attorney or call your State Attorney General's office to find out about laws in your state pertaining to drug testing. Not all companies are required to perform or allow a confirmation test but if they do then go for it. A confirmation test must be performed on the original sample. Note that we are not lawyers and this is not legal advice.


Subj: Bactrim
Date: 6/16/2011
I have tested positive for benzos after taking bactrim almost went to jail because im in treatment.
JOhnny

AskDocWeb: According to the MEDTOX Journal reference 60 Bactrim may test positive for benzodiazepines.


Subj: They are trying to take my kid
Date: 6/16/2011
i am haveing a problem I took a hair test it said I was positive for cocaine I dont do grugs. They are trying to take my kid what do I do?
April

AskDocWeb: There are reports of people winning in such situations by standing up for themselves and demanding a confirmation test. If they are taking legal action against you then you need to seek legal advice from an attorney.


Subj: Positive for benzodiazepines
Date: 6/17/2011
I am in a Methadone treatment program. I weigh 350 lbs, 6ft tall. I have type II diabetes, and am currently recovering from a spinal infection. I began Methadone treatment 5 weeks ago. The day before I began treatment I took a good bit of valium. I have taken no illicit drugs since I began the program, but I continue to come back positive for benzodiazepines. I have not taken any more valium or anything else for 5 weeks. What could be causing this, and more importantly, what can i do about it? Current prescriptions: Ultram Lisinopril, Ellemite, Diflucan (the spinal infection is fungal-I know-very rare) 800 mg Ibuprofen, 3 times a day. I also take Afrin daily, and have done so for about 5 years. I have sleep apnea and must be able to breath through my nose. Any help GREATLY appreciated.
Jarneskegge

AskDocWeb: Some of your meds have caused false positives on urine drug tests but not for benzodiazepines. Have they done a confirmation test?


Subj: Unisom?
Date: 6/17/2011
I took a drug test today and it was positive. I don't use any kind of drug but I do take unisom every night becuz I have sleeping problems can unisom make a false positive??
Shay

AskDocWeb:
Some prescription sleeping pills have been reported to test positive for benzodiazepines. However, it is not known if Unisom is one of them.


Re: How much is this information worth?
Date: 6/18/2011
Considering that the many people who would need this information are probably someone in probation (and I am sure a lot do not have the money) I would say $25 would be fair, unless.
Susan

AskDocWeb: Thanks Susan. We are going to see how low we can get the price and still keep the website online.


Subj: Liver disease and Hepatitis C
Date: 6/18/2011
I actually have a question...hope you can help...protective service is involved in my life, I have two children and had multiple deaths last year causing a relaps, I got cps involved in my life for acountablility, I am doing good now and have been clean for three months however am dropping dirty for cocaine...but I do have a liver disease Hepitits C and know that my liver is acting up. I believe it may be cause from that and am researching to provide proof to them, they use mouth swobs to test but here is the thing. I am perscribed adderall but dont take it all the time the first two test should of tested with adderall but did not, they came back testing positive for cocaine and nothing else.

This recent test I did no adderall and yet it came back testing positive for adderall and cocaine. My last test was normal. I believe my liver is processing funky and that is why this is happening or something. I did relapse one in the three months but they testest me 11 days after it should not have shown up. so here is how it went I stopped using thee months ago two test came back positive for cocaine but not adderall I used then 11 days later tested it comes back positive for cocaine and adderall but i did not use adderall that time and havent in a month. Do you have some advice...please help.

I am in counseling and now have stable enviorment and am working on geting on proper mental health medications and working hard twards my abstanance from substance. However, if I continue to drop dirty they will take my children and I am working hard to keep them and stay clean. Thank you for your help.
Helen

AskDocWeb: Several sources say that liver disease can cause problems on drug tests. If you are convinced that your test result is a false positive then getting a GC/MS confirmation test may be the only way to convince them. Other mothers have reported success in standing up for themselves and their children and hopefully you can to.


Subj: I tested positive for alcohol
Date: 6/20/2011
I would like to know why I tested positive for alcohol when I haven't drank a drop of alcohol in 4 and half yrs. I can't see my dang grandkids cause of it, it is really driving me crazy twice now I have tested positive for alcohol, it's legal and I'm 50 so I would think I could have a drink if I wanted one but I haven't drank. I take insulin and someone told me that was why, could you tell me?
Terri

AskDocWeb: Not being able to see the grandchildren may seem like a bad thing in the short term but it might benefit you in the long term. Here's why: If a person with diabetes does not get enough insulin, the cells aren't able to use the blood glucose and the body will start breaking down fats for energy. When fats are broken down for energy, it produces waste products called ketones. These ketones can cross-react in tests for alcohol. This is why a diabetic may produce a positive result for alcohol, even if they haven't had anything to drink. Your positive test results for alcohol may be an indication that the diabetes is not under control. If that is the case then you now have an opportunity to do something about that.

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