Can antidepressants cause false positive drug test?

Can antidepressants cause false positive drug test?

Certain antidepressant drugs are more prone to false-positive readings. For example, Wellbutrin (bupropion), Prozac (fluoxetine), and Desyrel (trazodone) can all potentially show up as amphetamines in a drug screen. Similarly, Zoloft (sertraline) may show up as a benzodiazepine.

Can Effexor show up as Tramadol on a drug test?

False positive results for tramadol were observed in cases where subjects were being treated with the commonly prescribed antidepressant drug venlafaxine. This was a result of the presence of the metabolite O-desmethylvenlafaxine, which has a similar transition to tramadol.

What is the most common false positive drug test?

False-positive results for amphetamine and methamphetamine were the most commonly reported. False-positive results for methadone, opioids, phencyclidine, barbiturates, cannabinoids, and benzodiazepines were also reported in patients taking commonly used medications.

What happens if you have a false positive drug test?

Urine drug screens are the most common test, although other body fluids may be analyzed as well. Many commonly used substances can trigger a false-positive test result. If you’re certain that the result is false, immediately take action and dispute false-positive results.

What can cause a false positive for tricyclic antidepressants?

False-positive results may occur with the following drugs: Seroquel (quetiapine fumarate), Trileptal (oxcarbazepine), Benadryl (diphenhydramine) at toxic concentrations, Flexeril (cyclobenzaprine), Thioridazine, and Thorazine (chlorpromazine).

What if your drug test comes back positive?

If the test results in a positive reading, meaning there is drug residue in the body, the results are forwarded to a medical review officer, who reviews the results and looks for any possible valid medical explanation for the results. “As a medical review officer, I would review a patient’s medical history.

Can a lab detect a false positive?

A worry for anyone undergoing an illicit drug screen – whether it be a urine, hair, saliva or blood test – is the possibility of a false positive drug test. In fact, some data suggests 5 to 10 percent of all drug tests may result in false positives and 10 to 15 percent may yield false negatives.

Why do drug tests test for tricyclic antidepressants?

Why do I need a TCA screen? You may need this test if you have been prescribed a TCA to make sure you are getting a dose that is safe and effective. You may also need this test if you have symptoms of a TCA overdose.

Can benzocaine cause false positive drug test?

In turn, the misapprehension is created that commonly used dental anesthetics such as benzocaine may yield false positives in urine drug testing, indicating illicit use of cocaine.

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