DRUG SCREENS. Substances that may cause a false positive.
Oct 10, 2012. May also cause false positive pregnancy test. Chlorpromazine. positive for LSD Metronidazole - can cause interference on EMIT assays that invalidates results. Xanax® Niravam, Alprazolam - contains benzodiazepines Feb 14, 2017. When Whitney Way Thore—the star of TLC's reality show My Big Fat Fabulous Life—took three pregnancy tests and each one was positive, she. Jun 14, 2011. Some drugs can interfere with pregnancy test results. It generally causes a false positive only in case an ovulation test is taken too early of.
Things That Can Cause a False-Positive Pregnancy Test SELF
A false negative pregnancy test result can happen for many reasons. If you pee on the stick too early in your cycle, the test can show up as negative when in fact. List of drugs that cause false positives on drug tests with reference sources. poppy seed cakes before testing, you can get a positive result for opiates. Chlorpromazine Thorazine - false positive for Opiates Also false for pregnancy References 32, and 36. Xanax - Positive for Benzodiazepines Reference 52 Question Can Macrobid cause "false" negative results in pregnancy tests. If I took a pregnancy test, would I get a false-positive result. I may have to terminate the pregnancy because of my taking Xanax 2 mg Xanax and 25 mg Luvox.
Drug Testing for Newborn Exposure to Illicit Substances in Pregnancy
May 19, 2011. The potential for false positive testing by immunoassay screening should. Testing in newborns can be performed on urine, blood, meconium, hair. that it is causing the mother and her newborn to test positive from passive. False-positive screens for drugs of abuse can potentially hamper diagnosis and treatment. In 2006, Rapuri et al list sertraline and oxaprozin as causing false-positive. To determine the accuracy of the urine benzodiazepine screening test.