Can zantac cause positive drug screen?

Lennie Powlowski asked a question: Can zantac cause positive drug screen?
Asked By: Lennie Powlowski
Date created: Tue, Apr 13, 2021 8:40 AM

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Those who are looking for an answer to the question «Can zantac cause positive drug screen?» often ask the following questions:

❓ Can zantac cause a positive drug screen?

Ranitidine has been shown to cause false-positive results for amphetamines at doses of 150 to 300 mg daily.

❓ Does zantac cause false positive on urine drug test?

Absolutely Zantac will cause a false positive drug screen. Amphetamines/Methamphetamine

❓ Can labetalol cause positive drug screen?

Background: Labetalol is commonly used for control of hypertension in pregnancy. A component of the workup for new-onset hypertension in pregnancy often includes a urine drug screen. A labetalol metabolite is structurally similar to amphetamine and methamphetamine, thus causing potential cross-reactivity in drug immunoassays.

9 other answers

Studies of a now discontinued urine testing protocol for amphetamines did show that, under rare and specific circumstances, false positives could be caused by the acid reflux medication Zantac...

I was told by my pharmacist that yes, absolutely, ranitidine (Zantac) can cause a false positive for methamphetamine. It just happened to me, this week, when my employer gave me a random UA. And, I've most certainly never used meth!

Zantac (ranitidine) is well known to cause false-positives for amphetamine products (e.g. Adderall, methamphetamine) on standard urinalysis drug tests. Ranitidine Causing False Positive For Amphetamines Urinalysis tests are the most commonly utilized drug screenings used by employers, doctors etc...

Yes! I had a urine test today. Never touched amphetamines in my life! It came up positive and I looked up what could cause a false positive. Thank God it showed Zantac/ Ranitidine. I took 150mg this morning, two hours before my drug screen. Crazy! Carry all prescriptions with you next time. And if you must, try to educate your professional.

Drug screen false positive is found among people who take Zantac, especially for people who are male, 40-49 old, have been taking the drug for < 1 month. The phase IV clinical study analyzes which people take Zantac and have Drug screen false positive.

Zantac can indeed cause false positive SCREENING tests for amphetamines. If the test was confirmed with GC/MS however, this false positive would be eliminated. There are no evidence that Kapidex would cause a false positive even on a screening test.

It can, depending on the test and sometimes the dose or timing of the dose. Many doctors and researchers have reported a problem with Zantac (ranitidine) causing false positives for amphetamines [1–4] and for methamphetamine in particular.

Reports of false-positive results were found for the following formulary and nonprescription medications: brompheniramine, bupropion, chlorpromazine, clomipramine, dextromethorphan, diphenhydramine, doxylamine, ibuprofen, naproxen, promethazine, quetiapine, quinolones (ofloxacin and gatifloxacin), ranitidine, sertraline, thioridazine, trazodone, venlafaxine, verapamil, and a nonprescription nasal inhaler.

Diphenhydramine (Benadryl) is an antihistamine found in allergy medications like Benadryl and sleep aids like Tylenol PM and Advil PM. If you’ve taken diphenhydramine, your drug screen may show a positive result for opiates, methadone, or PCP.

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Does naltrexone cause a positive drug test?

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Will sudafed cause a positive drug screen?

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Can zantac cause a positive outcome in a meth drug test?

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