Attention TSA BUE's This Is Information About Drug Testing.

If you're on a medication and not sure you're not going to test positive during a random drug test. Please look at the following pieces of information that may help you save your job. Carry a copy of your medications photo or have it with you with the dosage and how many times you take it.
The next time you see the doctor ask for a note stating that your Doctor has prescribed the medication and how long have you been taking it?

You will need to present evidence you have been taking the prescribed or self-medicating over the counter (OTC) medicine. Invoke Wyngarden Rights and ask for a witness or a Union Official to be present during the conversation. Record the conversation date and time when you informed the tester that you may fail the test.

Do not disclose what you are taking to management, you don't need to inform them.  Once taking a test contact your doctor to talk with them about any medication may cause a positive.

The following drugs have the potential for a false positive on a drug test.
  1. Amitriptyline. This is a tricyclic antidepressant used for chronic pain, neuropathy (nerve pain), depression, and migraine prevention. Amitriptyline may lead to a false positive urine test for the hallucinogenic drug LSD (lysergic acid diethylamide).
  2. Bupropion (generic Wellbutrin). Used as an antidepressant, for weight loss, and smoking cessation, bupropion may lead to a positive screen for amphetamine, methamphetamine, and LSD.
  3. Dextromethorphan. Found in Robitussin, Delsym and other over-the-counter cough suppressants. If you've taken a medication with dextromethorphan in it, your drug screen may be positive for opiates and PCP (phencyclidine).
  4. Diltiazem (Cardizem) is used for hypertension (high blood pressure) or to slow your heart rate if you have atrial fibrillation. If you're taking diltiazem your urine drug screen may test as a false positive for LSD.
  5. Diphenhydramine (Benadryl). Many over the counter remedies contain diphenhydramine, an antihistamine also used as a sleep aid, including Tylenol PM and Advil PM. If you've taken these, you could test positive for methadone or PCP.
  6. Ibuprofen and naproxen (Advil/Motrin and Aleve). Two very common over the counter anti-inflammatory pain medications. If you've taken either of these, your urine screen may test positive for barbiturates, THC (cannabinoid), and PCP.
  7. Metformin (Glucophage). The most commonly prescribed oral medication for diabetes, taking Metformin may result in a positive test for amphetamine or methamphetamine.
  8. Fluoxetine (Prozac) and trazodone. Both are used to treat depression and may result in false positive tests for amphetamine or methamphetamine and LSD.
  9. Pseudoephedrine (Sudafed). Used for sinus and nasal congestion, Sudafed-as many of you already know-may result in a false positive test for amphetamine or methamphetamine.
  10. Labetalol (Trandate) is both an alpha and beta blocker used for blood pressure control. If you've taken labetalol you could have a false positive for amphetamine or methamphetamine and LSD.
  11. Methylphenidate (Ritalin). Used for the treatment of ADHD, this Ritalin is a well-known cause of false positive tests for both amphetamine or methamphetamine and LSD.
  12. Doxylamine, found in Unisom and other over the counter sleep aids (similar to diphenhydramine), may cause a false positive on a drug test for methadone, opiates, and PCP.
  13. Sertraline (Zoloft) is an antidepressant and if you've taken it, you may test positive for benzodiazepines and LSD.
  14. Tramadol (Ultram) is a non-opioid medication used for pain. Your screen could come up positive for PCP if you've taken it recently.
  15. Quetiapine (Seroquel) is an atypical antidepressant/antipsychotic used for bipolar disorder, depression, and schizophrenia. Your drug test may show up positive for methadone if you are taking quetiapine.


Amphetamine and methamphetamine
L-stereoisomer only detected (D-stereoisomer present in illicit drugs)
Amphetamine and methamphetamine          
Vicks Inhaler
L-stereoisomer only detected; most positives noted with twice recommended dosage
NSAIDs (ibuprofen, naproxen)
0.4% false-positive rate
100% false-positive rate, some cases lack controls
NSAIDs (ibuprofen, naproxen)
0.4% false-positive rate
Most levels detected were below new 1998 threshold (2000 ng/mL)

(500 mg ingested)
Confirmed by GC-MS (7200 mg intentionally ingested)
What Is A False Positive Drug Test?
You Can Easily Fail Your Drug Test And Not Be Guilty.
The False Positive Drug Test Is The Dirty Little Secret Of Drug Testing.
"    About 5% Of People Fail Their Drug Test.
"    These People Are Are Not Guilty.
"    And They Must Prove Their Innocence.
"    This Could Happen To You.

This is often caused by hundreds of products that are wrongly identified as illegal drugs or other drugs of concern.  Common prescriptions, over the counter medications and even foods can cause you to falsely test positive.

The False Drug Test Is The Testers Dirty Little Secret.
This is the testers dirty little secret and there has been many a person who failed a drug test with no clue as to why and with little or no recourse to prove their innocence.   If you fail due to a false positive result you must prove yourself innocent.   The testers do not need to do anything.  Some testers are very helpful and some are not.

How Common Is A False Drug Test?
Research has shown that urine drug tests generally produce a false positive test more than the other drug tests.   There are over 1,000 labs in the United States currently testing for drugs.  Studies have shown that less than a 100 of these meet federal standards and most states do not regulate these labs.  Some of these labs are suspected of false drug tests as high as 25% of the drug test failures they see.   There are also a greater number of urine and saliva drug tests that are given outside the testing labs by people not trained nor qualified.  There is no information on the level of false drug tests in these conditions.  One can only guess on this one, but it could be even higher.

Real World Example Of A False Positive Drug Test.  Eating a poppy-seed cake or bagel can produce a false positive results for opiates according to a TV episode of "MythBusters".  Most of the drug testing labs say it can not happen, but the MythBusters proved without a doubt it can. The poppy seeds can lead to false positive drug test for opium for several days. 

A Real Scary Issue.  A recent study showed only about 50% of the testers were aware that this issue with poppy-seed bagels could occur.  Can you imagine explaining to the testers you did not use heroin, you just ate a bagel.  Many testers will tell you a false positive drug test is very rare.

Why Are The Testers In Such Denial About The False Positive Drug Test?  Because that would cause all drug test results to be called into question and drug testing is big business.  Admitting the level of this problem would cost a bunch of people a bunch of money.

What Can Cause A False Positive Drug Test?

This does not mean these medications, prescriptions or foods will always cause a false drug test.  The actual false drug screening can not be anticipated nor should you rely on it as a strategy to pass while still using. The outcome is very specific to the individual and/or the situation.

Here are some of the more common sources of a false drug test:
Most companies are sympathetic and will allow you to retest, particularly if you have a reasonable story and are sincere.  Present to the testers and prescriptions or medications you might be taking and do your research s to what might have caused the false positive drug screening.

Always emphasize your innocence and the fact you do not know why you have failed.  Be honest, concerned and DO NOT mention the possibility of a false positive drug screening at this point.

You must then start your research on why you have failed and make the commitment to see your innocence to the end. Your confidence can make the difference.

If you are given a second chance to take the drug screening you might want to consider the following factors and actions. This is the time for action if you are to get through this. If you understand these factors and actions you will be ahead of most of the people giving the drug screenings. This is the edge you could really use.

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