what medications can cause a false positive pregnancy test

If, on the other hand, you are undergoing IVF or IUI, it is best to follow your doctor's instructions and wait to get an in-office blood hCG test. Farley, T.M., et al. An ectopic pregnancy can be a serious emergency for the pregnant parent if the growing embryo ruptures the fallopian tube causing severe bleeding. British Medical Journal. Copyright 2023 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. 7,752,060 and 8,719,052. Can (2015). A false positive is when a drug test shows the presence of a medication or substance that you didnt actually take. Methylphenidate is a stimulant medication used to treat ADHD. This is called a false-positive. On rare occasions, the pituitary can create HCG even when no disorder or tumor is present. This article explores several reasons you may get a false-positive result on your pregnancy test. These include labetalol (Trandate), doxylamine (Unisom), and tramadol (Ultram). They may also order a transvaginal ultrasound to confirm that the pregnancy is proceeding normally. Some medications can cause a false positive pregnancy test result. While rare, labetalol could cause a false positive test for amphetamine or methamphetamine. 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? For over a decade, he has written several articles in the areas of female infertility, Erectile dysfunction, hemangioma, cervical cancer, monoclonal gammopathy of undetermined significance, mononucleosis, mitral valve disorder, nerve sheath tumor, shin splints, mild cognitive impairment, cellulitis, brain metastases, atelectasis, MCAD deficiency, lymphoma, sepsis, cardiac rehabilitation and metabolic disorder among others. WebMedical Conditions. How Many Days Your Period Can Be Late For? Just like with job interviews, some employers may require their employees to complete drug tests every so often. Women ages 35 and older who have been trying unsuccessfully to get pregnant for 6 months are recommended to seek an infertility evaluation. You will likely notice that you continue to have vaginal bleeding. (1990). Sometimes a fertilized egg can implant itself outside of the main cavity of the uterus, which causes an ectopic pregnancy. Can You Take a Pregnancy Test Pregnancy Test Guide We comply with the HONcode standard for trustworthy health information. Get updates on vaccine and testing access, and changes to care. HCG hormone is secreted by the placental cells after implantation of the fetus. (2016). 1. Rachel Gurevich is a fertility advocate, author, and recipient of The Hope Award for Achievement, from Resolve: The National Infertility Association. Management of nonpregnant women with elevated human chorionic gonadotropin. There is also the potential for user error when taking a pregnancy test. If the pregnancy test detects a certain level of hCG, it will show a positive result. Reduced interference by phenothiazines in amphetamine drug of abuse immunoassays. Third Party materials included herein protected under copyright law. The faulty test result could happen for several days after you quit your antidepressant. But this is rare. HCG hormone is secreted by the embryo even when it is not present in the uterus. American Society for Reproductive Medicine. (n.d.). Some infertility medications (medications that are used when a Menopause can also affect the pituitary, leading to HCG production and false positive pregnancy tests. Acta Clinica Belgica. Summary. What is a chemical pregnancy? Yee, L.M., et al. Rollins, D.E., et al. Even with these safeguards, user error can occur. Bleeding and pain in early pregnancy need to be evaluated by a medical professional immediately. Taking the test too early can also result in a false-positive. Ectopic pregnancies usually happen if a fertilized egg gets stuck in a fallopian tube during its journey to the uterus. What Medications Can Cause a False Positive Pregnancy Test? Key takeaways: Home pregnancy tests are 99% accurate when used correctly. (2014). You may also repeat the test to see if you still get the same result. Some drug screens may not be specific enough to tell apart sertraline and benzodiazepines. Evaluations of ephedrine, pseudoephedrine, and phenylpropanolamine concentrations in human urine samples and a comparison of the specificity of DRI amphetamines and abuscreen online (KIMS) amphetamines screening immunoassays. It is intended for informational purposes only. false-negative pregnancy Its estimated that 25-40 percent of pregnancies end as undetected miscarriages. Menopause, ovarian cysts, and ectopic pregnancy are some rare medical conditions that can give misleading pregnancy test results. Pacific Fertility Center: Progesterone 101. 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. 10 Common Questions About Labor and Delivery. Home pregnancy tests work by detecting the presence of human chorionic gonadotropin (hCG) in a urine sample. Certain medications can cause a false positive result on blood test or home pregnancy tests. Did I just have a miscarriage or false positive? Ovarian cysts, ectopic pregnancy, menopause, and many other medical conditions can also cause false positives. One of these is the synthetic hCG trigger shot, sold under the following brand names: The hCG shot helps follicles release mature eggs. The latter is an older tranquilizer drug thats often found in people who overdose on opioids. Syed, H., et al. However, if youre undergoing fertility treatments that require taking certain medications, you may have detectable hCG (from the medication) that can lead to a What can cause a false positive pregnancy test? The pregnancy test can be done on blood or urine. Nomier, M.A., et al. In such a scenario, it is advised to retest for pregnancy after 7 days. If its part of a job interview process. While having to hold off two weeks can add anxiety to an already emotional process, the risk of a false positive test may be more upsetting than waiting for an accurate reading. How to Care for Your Teeth and Gums at Home. The good news is theyre rare. But on drug screens, it can show up as methadone, which helps people quit heroin or other opiates and can be addictive. Melanson, S.E.F., et al. Examples include diazepam, clozapine, phenobarbital, alprazolam, and chlorpromazine. Note: Since these above mentioned medications affect HCG levels in the urine, it is therefore important to stop taking these medications for a while before taking a pregnancy test. Learn more about the best time to take a pregnancy test. Some women do not pay attention to the expiration date mentioned on pregnancy tests. Robin Elise Weiss, PhD, MPH is a professor, author, childbirth and postpartum educator, certified doula, and lactation counselor. Even if your period is late according to your typical cycle, you might have ovulated later in the month. This is due to the residual level of hCG present in the woman. Taking trazodone may cause a false positive test result for amphetamine or methamphetamine. A follow-up ultrasound may be needed after about 1 week if its early to verify the results. 4 Causes of a False Positive Pregnancy Test | OhioHealth Examples include: Venlafaxine (Effexor XR) and desvenlafaxine (Pristiq) are part of a group of antidepressant medications called serotonin-norepinephrine reuptake inhibitors (SNRIs). The embryo will still produce hCG, even though it has implanted in the wrong place. 2005 - 2023 WebMD LLC, an Internet Brands company. Its also important to use the test when your urine isnt diluted excessively with water. Methylphenidate is distinguished from amphetamine in drug-of-abuse testing. Current time: 05/01/2023 09:39:10 a.m. UTC (2004). Use the test when your urine is very concentrated, like when you first wake up in the morning. Journal of Forensic Sciences. What medications can cause a false positive pregnancy test? Every person is different, but here are a few top signs. Some medications may create a false positive pregnancy test result as well. Need a Telehealth Visit? Ectopic pregnancy may also lead to a false positive test. A registered nurse with more than 25 years of experience in oncology, labor/delivery, neonatal intensive care, infertility and ophthalmology, Sharon Perkins has also coauthored and edited numerous health books for the Wiley "Dummies" series. 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: Ecstasy/MDMA. If youre undergoing fertility treatments to become pregnant, you may be getting hCG injections to stimulate ovulation. For instance, some tests require leaving the dipstick in the urine stream for a specific amount of time. A drug test can detect the presence of certain medications and substances. A chemical pregnancy occurs if a fertilized egg, known as the embryo, is unable to implant, or grow, very early on. Depending on when and how much youve taken CBD, its possible for your urine to show evidence of marijuana in your body. (2010). If youve received a false positive, your doctors visit will determine that. A false-positive pregnancy test can occur when you have a severe urinary tract infection. These include drug tests that look for: Certain prescription opioids and opiates (like methadone, fentanyl, and tramadol), Methylenedioxymethamphetamine (MDMA), more commonly known as ecstasy. Its possible to have a false-positive test until your hCG levels return to their prepregnancy state. hCG is made when a fertilized egg implants in the uterus, usually around 10 days after conception, and increases every (2013). 5 Foods to Avoid When You Have Depression, How to Ensure Your Doctor Understands Your Migraine Severity. The following drugs are synthetic hCG injections which will cause a pregnancy test to appear positive: It is a good idea to wait at least 7-14 days after your last injection before taking a pregnancy test. If you read the result after a long time, your urine will dry, leaving evaporation lines on it. (2011). In rare circumstances, the hCG hormone may be present in the body when a woman is not pregnant and may lead to a pregnancy test false positive result. Although its rare to experience a false positive pregnancy test, certain factors can make it possible. Why Is There No Milk Coming Out When Pumping? Then contact your doctor for a blood test to confirm the good news! Common hMG medications include Menopur, Pergonal, and Repronex.. Whats more, the false positive result may be possible even more than 18 hours after youve swallowed a single dose of the antibiotic. 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. Various medical conditions such as extra-uterine malignancies, pituitary disorders, ovarian cysts, and choriocarcinoma may lead to false-positive results. Pregnancy tests measure levels of human chorionic gonadotropin (hCG) in the blood or urine. Anti-Parkinsons drugs may also affect the results of pregnancy tests. Librium (chlordiazepoxide), an anti-anxiety medication also used to control agitation during alcohol withdrawal, can cause false positive pregnancy results in urine pregnancy tests, Medline Plus states, but blood tests will not show false positive results. A chemical pregnancy is an early pregnancy loss that occurs shortly after implantation. This can happen for many reasons. The Fertility Institute. Drug Enforcement Administration. Journal of Analytical Toxicology. The results of a confirmation test are much less likely to show false positive results. https://pregnancy.lovetoknow.com/wiki/Pregnancy_Test_False_Positives All the best, +0 Related topics keppra, pregnancy Further information Keppra uses and safety info Keppra information for Healthcare Professionals (includes dosage details) Side effects of Keppra Read on to learn more about false positives on home pregnancy tests. An ectopic pregnancy is a serious medical emergency and must be addressed immediately. If your miscarriage was spontaneous, tissue might remain in the uterus. This embryo will continue to produce hCG as long as it is in your body, but it will not develop into a fetus. Verywell Family uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Other meds, too, can affect your hormone levels and potentially cause a pregnancy test to read positive by mistake. 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. Get the facts on 10 unusual symptoms, such as tasting. WebWhat can cause a false urine pregnancy test? Extreme blood loss or loss of the reproductive organs can occur. As the current pregnancy kits have high sensitivity for hCG hormone, any exogenous hCG administered to the patient may be detected by pregnancy kits. Several of these medications for mental disorders can lead to false positive tests. A non-pregnant woman with elevated beta-HCG: A case of para-neoplastic syndrome in ovarian cancer. a recent pregnancy (e.g. Then talk to your healthcare provider. cause The same thing could happen even with alcohol-based hand sanitizers if you use them regularly. Common ones are fertility-boosting medications, such as Pregnyl, Profasi, Novarel and Ovidrel. Some examples include NSAIDs, dextromethorphan, and some antidepressants. And then you later find out it was just a false positive. Alcohol and illicit drugs also dont affect pregnancy test results. Why Did a Second Line Appear Later on My Pregnancy Test? Most home pregnancy tests are almost 99% accurate. Though they are about 99% accurate, pregnancy tests are not foolproof. It can cause false positive results for amphetamine or methamphetamine. It could cause you to test positive for opioids (specifically methadone). Used for sinus and nasal congestion, pseudoephedrine (Sudafed) may cause false positive test results for amphetamine or methamphetamine. Read below to learn more about each of these scenarios. Theyre not foolproof, however. Journal of Analytical Toxicology. False methadone-positive urine drug screens in patients treated with quetiapine. Not cleaning the cup that comes with certain pregnancy test kits can also cause contamination of the urine sample and affect your results. Infertility drugs, for example, can contain synthetic hCG. Medications: Some medications can also cause a false-positive pregnancy. Check the expiration date before using the test. All rights reserved. Large doses of doxylamine can cause a false positive for opioids (specifically methadone). Other drugs that may cause a false result include aspirin and methadone. Clinical Chemistry. Chances of False Positive Pregnancy Test: What Neurological Drugs Anti-psychotics, anti-convulsant, and anti-anxiety medications
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