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In a nutshell, a false positive drug test result is one where the drug testing process shows that drug metabolites are in the system of someone who has not consumed any of the substances that are being screened for. False positives can occur when any of the major drug testing procedures are used.
Nov 14, 2017 · Benadryl (Diphenhydramine) False Positive Amphetamine Tests: Sudafed (Pseudoephedrine) Zantac (Ranitidine) Wellbutrin (Buproprion) False Positive Marijuana: Certain NSAIDs (e.g. ibuprofen, naproxen) Certain PPIs (e.g. Prilosec, Omeprazole, Prevacid) What To Do Next. If you get a false positive on a drug test, what can you do?
Jan 7, 2023 · Things that can cause a false positive test result on a drug test. The following is a list of over-the-counter, prescription medications and foods that have the potential to cause unexpected results: Amphetamine false positives. ADHD (attention deficit hyperactivity disorder) medications like methylphenidate (Ritalin)
Jun 9, 2022 · Published Jun 09, 2022. Last updated May 02, 2024. Key points. Most drug tests are urine drug screenings, which are susceptible to false-positive results. Several over-the-counter and prescription drugs can cause false-positive results, including Benadryl, Zantac and Wellbutrin.
Oct 27, 2023 · Initial urine drug screens frequently do produce what we call a “false positive.”. These screens use chemicals called antibodies to detect drugs at the molecular level. For a positive result, the test indicates that the antibody bound—like a very small lock and key—to a drug or one of its chemical derivatives.
Nov 21, 2023 · An initial urine drug screen can deliver rapid results but can be affected by factors, such as certain medications, that can cause incorrect results (called a false positive or a false negative). If an initial test is positive, health care providers can order a sensitive and specific confirmatory test.
Jun 22, 2022 · What Does a False Positive Drug Test Mean? Your drug test results can be affected by medications and even food. Written by Lauren Smith, MA | Reviewed by Mera Goodman, MD, FAAP. Published on June 22, 2022. Drug tests officially have two results: positive or negative.
