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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.

My son and I were both sick with the flu, and unfortunately I only had money to take him to the doctor but I took three tbs of his cheratussin. The next day I had a drug test for a new job(laid off several months ago) and I tested positive for opiates. Will I get in trouble for taking my son's medicine?

AskDocWeb: It appears that Cheratussin comes in different formulas. Cheratussin AC contains codeine phosphate and guaifenesin. Cheratussin DAC contains 3 ingredients, guaifenesin, pseudoephedrine, and codeine. Cheratussin DM contains dextromethorphan and guaifenesin. Three of those ingredients have caused problems for others on drug tests. Cold remedies with dextromethorphan may test positive for opiates (Reference: 21). Pseudoephedrine may test positive for amphetamines. Codeine will test positive (not false) for opiates (Reference: 20).

The DYP took our daughter away
I just had my daughter on jan.9th had a healthy pregnancy went into labor at 39 weeks. I was given a drug test, and it came back positive for Methamphetamines and opiates. I do not use drugs, I only smoked pot and stopped early on in pregnancy. The only meds I was prescribe was dicclectin and generic Zantac (ranitidine) The DYP took our daughter away at 2 days old and we only got her back the next week. And have to live at my husbands family's house, and do random drug tests. And they are doing a hair strand drug test. We have to wait for the hair results before we can even go to court to ask to go back home. No one wants to believe it was my medication. And no doctor or nurse or lab Wants to say it's possible. But there's cases of that being so all over the Internet!!!

AskDocWeb: Welcome Isabel. Unfortunately the "War On Drugs" makes most medical people reluctant to say anything that might look or sound like they are supporting illegal drug use. It is important for you to know that the hair strand drug test does produce some false positives and that test needs to be verified by more accurate lab work. The "gold standard" for doing confirmation testing is the GC/MS, which stands for Gas Chromatograph/Mass Spectrometer. Don't accept any positive hair test results that lack a confirmation test.

Positive for benzos
I am on methadone daily. I am also prescribed flexoral for a recent car accident as well as vicodin. Also i am prescribed fuerocet for migraines on an as needed basis. I recently took tramadol and came up postive for benzos on a urine analysis drug screen. I have not taken any benzos and the medications i took arent on the list. Why does this happen? its severely affecting my life b/c the methadone clinic took away my privlage to have "take-homes" and now i have to go there on a daily basis. I am hoping you have an answer! Thank you.

AskDocWeb: If your medications are not on this list your options are limited. When you fail a urine test you are considered guilty until proven innocent. The only way that we know of to prove that your test was a false positive is to get additional testing on the original sample. The clinic may or may not allow you to get a confirmation test and they may require that you pay for it out of your own pocket.

Positive test results with ETS
I have had multiple positive test results for ETS in-between negative test results. i do not drink alcohol. i avoid any products that contain the name alcohol. i take the medication Lialda daily. i have no idea why this keeps happening.

AskDocWeb: >Please see post about Positive for alcohol with EtS and EtG tests.

Energy drinks
I haft to do drug classes for my probation and the class teacher seen me drinking a monster energy drink and advised me that all energy drinks can cause a positive for coke because he said they all are made from coco leave said it used to say it on the cans but no longers does but they still use the coco leaves is this tru that u can test positive for coke by drinking energy drinks? And could the sodium denzoate in energy drinks make u fail for a benzo?

AskDocWeb: Sodium denzoate (benzoate) does not show up on urine drug tests for drugs of abuse. There is no doubt that some energy drinks contain ingredients that would show up on a drug test as false positive for something. The problem is that due to some dishonest manufacturers labeling practices there is no easy way to be sure of which ones would pass and which ones would fail. When you are on probation you have to weigh the benefits of the drink against the consequences of failing a urine test. Is it really worth the risk?

Tested positive for heroin
I recently failed a drug test and tested positive for heroin. I am currently taking fexofenadine. Could you advise if this could be the result of a false positiove for heroin. Needless to say I have never taken heroin and my job is now in jepordy as as a result of this test. Please advise

AskDocWeb: Fexofenadine has not been reported to show up as heroin. We have read that on very rare occasions, it has yielded false positives for amphetamines but so far we have not been able to document that. Urine tests are not 100% accurate and any positive result should be confirmed by additional lab work, preferably by an independent certified laboratory, especially since your job is at risk.

Will klonopin make u test positive for crystal meth

AskDocWeb: No, Klonopin is in a different class of drugs.

I am taking Jintropin diluted with water containing .9 % benzyl alcohol. Will this show up on a drug screen?

AskDocWeb: We don't know. Jintropin is the brand name for a synthetic human growth hormone product, which is made by the Chinese company GeneScience. It is not legal in the U.S.A. so we have little data on it. Jintropin is used to treat growth hormone deficiency but it also has a number of controversial and illegal uses. This is the product that Sylvester Stallone was found guilty of importing into Australia on a 2007 trip to promote the film Rocky Balboa. He was ordered to pay a $12,975 fine.

K2 on urine drug screen
i just learned that i tested positive for "k2" on a urine drug screen. the only medication that i take is lamictal (lamotrigine) 100mg once a day. i do not take any other medications, including any otc drugs at this time. i do not do "k2", nor have i ever. any insight you can provide me on this subject will be greatly appreciated.

AskDocWeb: Lamictal® has shown up as a false positive for PCP (Reference: 53) but not for k2. So far there is very little data published on the testing for synthetics such as k2 and almost none for false positives. We will publish links to that data when it becomes available so you might want to check back in a few months.

Fired from my job
I took a drug test for a job tested positive for oxazepam but was only taking zanax at the time and just finish a few diffrent antibotics for an infection and vicidon never even heard of oxazepam till now but didnt test positive for the vicidon seems weird to me. Got fired from my job of course and I work in the medical feid am sure to not ever get another job with the recored of not passing my drug test. Have never in my 10 yrs of working ever failed a drug test. I have been doin my own research but I'm not getting any where I dont know what to do.

AskDocWeb: You might want to ask a Lawyer about your options, which will vary according to your state of residence. If the results of the urine test were not confirmed then you may have a legal option to get your job back as well as a cash settlement.

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