what medications can cause a false positive pregnancy test

(2015). These eggs then pass during your menstrual cycle. If you see an evaporation line on an at-home pregnancy test, you might be confused if youre expecting or not. 1. Antipsychotics often used to treat schizophrenia, such as perphenazine, prochlorperazine, Keep in mind that pregnancy test results are effective for a short while only. Coca tea could affect your screening for up to 36 hours after youve sipped it. Large doses of doxylamine can cause a false positive for opioids (specifically methadone). Set a timer when it is time to wait for the results and read them according to the recommended window of time. It can be extremely upsetting to receive a false positive pregnancy test result, especially if youve had trouble getting pregnant or are actively trying to get pregnant (or both). Doxylamine toxicity: seizure, rhabdomyolysis and false positive urine drug screen for methadone. Trying to figure out if you need to take a pregnancy test? Ibuprofen (Motrin, Advil) and naproxen (Aleve, Naprosyn) are in a group of medications called nonsteroidal anti-inflammatory medications (NSAIDs). Then talk to your healthcare provider. Several conditions may cause a false-positive pregnancy test. Diphenhydramine may cause a false positive result for some opioids and opiates. Available for Android and iOS devices. All Rights Reserved. Can Cause a False Positive Drug Test The most common type of drug test is a urine test. Urine hCG tests are most reliable about a week after your missed period. For that reason, its recommended you wait until 1 week after you expected your period to start to use an at-home pregnancy test. American Addiction Centers: Whats An Amphetamine? Other medications can also cause false-positive pregnancy tests. Our experts continually monitor the health and wellness space, and we update our articles when new information becomes available. Causes It refers to an early pregnancy loss. Several of these medications for mental disorders can lead to false positive tests. These include some anticonvulsants, anti-anxiety drugs, antihistamines, diuretics, Mayo Clinic: Home Pregnancy Tests: Can You Trust the Results. Can You Take a Pregnancy Test can cause a false Various medications also interfere with the testing of pregnancy through pregnancy kits and may cause false-positive results. [Also Read: Can Ovarian Cancer Be Misdiagnosed As Ovarian Cyst]. HCG hormone is secreted by the embryo even when it is not present in the uterus. Lastly, this article answers some frequently asked questions about pregnancy tests. Examples include diazepam, clozapine, phenobarbital, alprazolam, and chlorpromazine. Chances of False Positive Pregnancy Test: What Clinical Chemistry. For instance, some tests require leaving the dipstick in the urine stream for a specific amount of time. Perkins also has extensive experience working in home health with medically fragile pediatric patients. Doxylamine is an OTC medication that may help people struggling to fall asleep at night. Several of these medications for mental disorders can lead to false positive tests. Phenothiazines and phenothiazine derivatives are antipsychotic medications used to treat psychiatric disorders that can also give false positive results on urine pregnancy tests. (2013). If you get a positive result you can almost certainly assume you are pregnant, at which point you should visit your GP to confirm the news, and then you can spend the next nine or so months cooking your human child (psst: read up on which celebs are currently expecting).pregnant, at which Recent abortion or miscarriage may lead to false-positive results. There are also a few medications that can interfere with the result. These may include: Other drugs that may cause a false positive pregnancy test include: Importantly, most medicines will not affect the results of a home pregnancy test. See additional information. What Medications Can Cause A False Positive Pregnancy Test? To recap, pregnancy tests work by detecting the pregnancy hormone, hCG, in urine. The home pregnancy test can be done at home. A procedure called dilation & curettage (D&C) may be necessary to remove the tissue inside the uterus. What can cause a false positive? Antiepileptic or Anticonvulsants: Drugs such as barbiturates, bromides, benzodiazepines, Some medications can cause a false positive pregnancy test result. Home pregnancy tests measure levels of human chorionic gonadotropin (hCG) hormone in urine. Taking any medication that contains hCG can cause a false-positive result. Drugs that contain the hCG hormone aimed at boosting fertility may impact pregnancy test results. These may include: The hormone can remain in your blood and urine for up to six weeks after a pregnancy ends. WebWhat can cause 3 false positive pregnancy test? For example, hCG is likely to be detected if Submission of this form is subject to Healthgrades, Help Millions of people find the right doctor and care they need, Get immediate care and visit with providers from the comfort of your home, or anywhere, Urgent care centers can be faster and cheaper for situations that are not life threatening, Doctors and patients discuss the latest medical treatments and health tips, Search prescription drugs for why theyre used, side effects and more, Back and Neck Surgery (Except Spinal Fusion), https://www.ncbi.nlm.nih.gov/books/NBK532950/, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6464743/, https://www.nhs.uk/pregnancy/trying-for-a-baby/doing-a-pregnancy-test/, https://www.ncbi.nlm.nih.gov/books/NBK459155/, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7117853/, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6135366/, https://www.ncbi.nlm.nih.gov/books/NBK539860/, https://www.womenshealth.gov/a-z-topics/pregnancy-tests. It is best to wait a week after your missed cycle to take a pregnancy test because it may lead to a false-positive pregnancy test. This can cause hCG levels to remain elevated, among other more worrisome symptoms such as ongoing bleeding or fever. (2012). Stout, P.R., et al. Sertraline (Zoloft) is a selective serotonin reuptake inhibitor (SSRI). There are various causes of false-positive pregnancy results; If the woman had blood or protein in the urine, the pregnancy kit may give a false-positive result. 2023 Healthline Media LLC. The latter is an older tranquilizer drug thats often found in people who overdose on opioids. They may be able to perform a second test thats more specific and accurate. Atypical antipsychotics can help treat certain mental health conditions like bipolar disorder and schizophrenia. Methadone, given to treat heroin addiction, can cause a false positive result on urine pregnancy tests, Cigna states. Follow up with a blood test will give more accurate results. Mayo Clinic: Home Pregnancy Tests: Can You Trust the Results? They may be able to run a second test to confirm whether these results are accurate or not. Some women do not pay attention to the expiration date mentioned on pregnancy tests. Shes dependable, versatile, flexible, and detail-oriented. Data sources include IBM Watson Micromedex (updated 2 Apr 2023), Cerner Multum (updated 17 Apr 2023), ASHP (updated 10 Apr 2023) and others. Rogers, S.C., et al. These medications usually wont interfere with your drug screens. Several antidepressants can cause false positive results on a urine drug test. By signing up, I agree to GoodRx's Terms and Privacy Policy, and to receive marketing messages from GoodRx. What Is a Blood Pregnancy Test and How Does It Work? The good news is theyre rare. This is a rare one, but some medical conditions such as certain kinds of cancer, chronic kidney disease, as well as problems with your ovaries could cause the body to have increased levels of HCG and potentially lead to a false-positive pregnancy test. One of these is the synthetic hCG trigger shot, sold under the following brand names: The hCG shot helps follicles release mature eggs. Third Party materials included herein protected under copyright law. If you drink it, you may want to stop a couple of days before your drug test. False-positive and false-negative tests can occur for a variety of reasons. Before we get into the medications that can cause a false positive result, lets discuss what a urine drug test is and why you might have one. (n.d.). If you are pregnant and you wait another two days before testing again, the levels should double again, increasing your chance of an accurate reading. If you're experiencing cramping but don't get your period, you might be pregnant. Get prescription saving tips and more from GoodRx Health. Detecting a chemical pregnancy before it miscarries can be emotionally hard. Why Is There No Milk Coming Out When Pumping? This embryo will continue to produce hCG as long as it is in your body, but it will not develop into a fetus. False positive results are uncommon on pregnancy tests; false negatives are much more common. When a fertilized egg cannot implant completely in the uterus very early on in the pregnancy, it will still produce detectable amounts of hCG. Moreover, she can help clarify complex ideas and complicated clinical or technical information in ways that the reader can understand. Its possible to have a positive pregnancy test even if you arent technically pregnant. Pregnancy Test Evaporation Lines: What Are They? Giving birth is as individual as you are, so here are some answers to help set the record straight. These include: There is always a chance that you may have a false-positive pregnancy test. PCOS and Pregnancy Tests: How to Detect Pregnancy with Trazodone, meta-chlorophenylpiperazine (an hallucinogenic drug and trazodone metabolite), and the hallucinogen trifluoromethylphenylpiperazine cross-react with the EMITII ecstasy immunoassay in urine. Krista Elkins has 20 years of experience in healthcare as both a paramedic (NRP) and a registered nurse (RN). 7,752,060 and 8,719,052. Can Robin Elise Weiss, PhD, MPH is a professor, author, childbirth and postpartum educator, certified doula, and lactation counselor. Leaving the dipstick in your urine stream for the exact amount of time allotted is also important. The same thing could happen even with alcohol-based hand sanitizers if you use them regularly. Our website services, content, and products are for informational purposes only. (2011). Taking oxaprozin may result in a false positive test for benzodiazepines. Blood may occur in urine due to various conditions such as cystitis. Possible to Get a False Pregnancy Test It could happen when the sample is contaminated with detergent, soap, or even blood. In this condition, it's hard to recognize whether you are pregnant or not. These early test results, when wrong, can be emotionally draining. An ultrasound is generally needed to determine if an intrauterine pregnancy is identified, lost, or if there is a fetus without cardiac activity. The British Medical Journal. Thank you, {{form.email}}, for signing up. Similarly, other medications like antidepressants and birth control can cause a false positive pregnancy test. If your miscarriage was spontaneous, tissue might remain in the uterus. Drug Enforcement Administration. Taking trazodone may cause a false positive test result for amphetamine or methamphetamine. Can Drug Enforcement Administration. In this scenario, the pregnancy test gives a negative result even when the pregnancy is achieved. Journal of Analytical Toxicology. Taking antibiotics wont make your pregnancy test positive, but if youre on fertility medications, containing hCG (these are given by injection) you may get a false Diphenhydramine (Benadryl) 3. What medications can cause a false positive pregnancy test? The Medical Conditions That Cause a False Positive The presence of any impurities in your urine sample may also cause a false positive pregnancy test. What Is a False Positive Pregnancy Test? All rights reserved. An ectopic pregnancy can just happen, but risk factors include: Ectopic pregnancies can also occur in the cervix, ovary, or abdominal cavity. When used in the IVF or IUI setting, the LH component can also trigger a false positive result but for different reasons. All rights reserved. (2012). Every person is different, but here are a few top signs. Most at-home pregnancy tests are dipsticks that are placed in a urine stream. Testing for pregnancy after IVF. A home pregnancy test checks to see if there's HCG in the urine. Most home pregnancy tests are almost 99% accurate. Diuretics (water pills) Antihistamines. Clinical Toxicology. What can cause a false positive pregnancy test? A false-positive might happen if you had a pregnancy loss soon after the fertilized egg attached to the uterine lining.You also may get a false-positive if you take a pregnancy test soon after taking fertility medicine that contains HCG .

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