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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.


Subutex?
10/23/2012
I was wandering if a lab checked saliva test would show up subutex if y doesed 2mg 14hrs later its a non fed text
Dee

AskDocWeb: The window of detection time using saliva or oral fluid drug testing for Subutex (Buprenorphine (Suboxone)) varies with the dose. A small dose of Suboxone can be detected in saliva for up to twelve hours. With longer use of the drug or for a person with a higher body mass the detection time can be longer.


Tweaker Energy Shots
10/24/2012
Over a 3 day period, my son drank for Tweaker Energy Shots. Can it cause a positive drug test for amphetamines and/or hydromorphone? The ingredients are as follows: B12(cynocobalamin), caffeine, Oriental Ginseng Root Extract, Evobum (Pure Evodiamine), N-Acetyl-L-Tyrosine, Yerba Mate, Green Tea Extract, Yohimbe HCI, 5-Hydroxyl-L-Tryptophan, Vinpocetine. Thank you.
Becky

AskDocWeb: None of those ingredients are known to cause a false positive for anything on drug tests for drugs of abuse.


False positive for alcohol
10/24/2012
I was recently sick and was taking cough syrup containing 10% alcohol causing me to test positive on a ets/etg test. I didnt have much of an appetite and my diet consisted of orange juice, apple juice, multi-vitamins, cough syrup, and a day time decongestant. Most nights i would take 2 capfulls before bed and then awake in middle of night a take 2 more. My probation officer said i tested equivilant to drinking a 6 pack of beer. Whats up with this? I know the truth. How can I prove it?
Aaron

AskDocWeb: Hi Aaron. False positive alcohol tests are an ongoing problem with the Etg test. According to federal government guidelines, the alcohol urine test called EtG is too sensitive and prone to delivering false-positive tests, and should not be used. (Substance Abuse and Mental Health Services Administration (SAMHSA))

If you are falsely accused of drinking alcohol based on an EtG test then you may have to get an attorney to defend yourself. Ideally you would find one that is well versed in the use of alcohol biomarkers in monitoring court-ordered abstinence.


Question about false positive for opiates
10/24/2012
hi i actually have a question i took wal-dryl which the main ingredient is diphenhydramine hcl, and i dont use drugs at all, I was wondering if it was possible if it could have caused me to have a positive drug test for an opiate? I honestly try not to take allerg meds but it was really effecting my job this time.
Erin

AskDocWeb: Diphenhydramine has been reported to cause false positives for benzodiazepines, PCP, and tricyclic antidepressants (Reference: 45) but not for opiates. Aside from that you should know that diabetes, kidney infection and liver disease has each been known to cause a false positive for opiates. If it has been a while since you have had a physical you may want to consider getting one.


Tested positive for pot
10/25/2012
I was tested for drugs today. I tested positive for pot. It should have been clear I don't understand what happened. I take several drugs like welbutrin plavix xanax. The list is very long. I am planning to get knee surgery for the third time and am in allot of pain.
Susan

AskDocWeb: Since your list is long, you may want to alphabetize it and check it against this list. There are over 70 possible causes for a false positive for pot.


Hair strand drug test
10/25/2012
What over the counter meds if any will show positive on a hair strand drug test for Percocet? Thank you,
Shannon

AskDocWeb: Our database was built from research into false positives on urine tests and for the most part, excluded other types of false positives. Although we haven't taken the time to note the exceptions, it appears that hair testing has most of the same causes for false positives as do urine tests.


Positive for ecstacy
10/26/2012
I had a positive test for ecstacy i was wondering what could come up positive for ecstacy i could possibly be in big trouble and i didnt do any.
Jacob

AskDocWeb: It appears that there are about 70 possibilities, which are listed here.


False positive for oxymorphone?
10/26/2012
My daughter is in the army and she just got a false positive for oxymorphone and we along with the United States Army are trying to figure out how she got it. Can you please tell me what all medications would cause a false positive for that?
Naomi

AskDocWeb: Sorry to hear about your daughter's test results. Unfortunately our database doesn't show anything that would cause a false positive for Oxymorphone. Hopefully a confirmation test will clear this up.


THC & B2
10/26/2012
I'm currently on probation for poss of marijuana, and have not used in over 2months, I recently took some Riboflavin(b2) and tested positive for THC... In my opinion when you are taking a UA it is just best to refrain from everything & meds you must take, Just be sure that they are prescribed to you! And no vitamins...Luckily the labs were able to determine THC & B2.
Mal


Aleve
10/27/2012
Can aleve cause you to fail a drug screen on benzodiazepines?
Chelle

AskDocWeb: No. Aleve (Naproxen) is known to sometimes cause false positives for marijuana but not for benzodiazepines.


Nexium and UA dip stick tests
10/27/2012
I take nexium twice a day for barretts esophogus with low dysplsia. i have to take ua's and do not use any narcotics. where i do my ua's they use dip sticks i know a lab will clear me however what am i likely to have a false positive for?
Kristine

AskDocWeb: Nexium and other PPIs may test positive for THC or marijuana (Reference: 37).


Fired because of urine test
10/29/2012
I got fired cuz my boss gave me a urine test and it came out positive for mirijuana i dont take it. I use lots of prescribed pills they are omeprazole 20mg, topiramate 50mg, oxcarbzepine 150mg, oxycontin cr 20mg, propranolol er160mg, nuvigil 150mgs, diazepam 10mg, lamotrigine 25mg, naproxen 500mg, oxycodone 10mg, gabapentin 100mg. Will any of these be causing it to be coming up for false drug test?
Linda

AskDocWeb: It looks like you have two possible causes for a false positive for marijuana. Omeprazole as well as other PPIs may test positive for THC (Reference: 37). The second one is Naproxen (Aleve). Several sources say that may show up as a false positive for marijuana (THC) (References: 1, 3, 16, 21).

Unless your boss had that test result confirmed, you may have a case for a lawsuit. Of course you would have to ask a Lawyer but you should know that others have won six figure judgments because employers fired people who failed urine tests without confirming the test results.

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