can buspirone cause a false positive pregnancy test neurontincan buspirone cause a false positive pregnancy test neurontin

This increases HCG in your body. I am currently on amoxicillin, metronidazole, omeprazole, and clarithromycin. However, you can't rule it out as 'false positives' on standard drug tests are a relatively common occurrence. U.S. Food and Drug Administration. The study uses data from the FDA. More research is needed in order to determine potential risks during pregnancy. Neurontin (gabapentin) is not a medication that is typically associated with 'false positives' on most drug tests, including Suboxone (buprenorphine). 9 Mixing alcohol and BuSpar can lead to increased drowsiness and feeling lightheaded. FOIA What Medications Can Cause A False Positive Pregnancy Test? excitement. Epub 2014 Jul 1. Early Pregnancy Cramps Feel, Abortion Facts and Statistics: What You Need to Know, What to Do If You Get a Positive At-Home COVID-19 Test Result. Cristina Mutchler is an award-winning journalist with more than a decade of experience in national media, specializing in health and wellness content. Rohit Jain is an IPR Specialist and Medical Content Writing Expert. DrugGenius225 S. Mermac AveUnit 832TClayton, MO 63131. A pregnancy test will also be positive in the case of ectopic pregnancy or molar pregnancy. ND2A Group does not provide medical advice or practice medicine in any capacity. How Many Days Your Period Can Be Late For? Most urine drug tests are known as 'immunoassay' screenings since they utilize antibodies to bind to a particular drug substance in a sample. Therefore, you need to ensure that you are not using faulty or expired pregnancy kits to get accurate results. Another anti-anxiety medication, buspirone (Buspar), can produce a false-positive LSD test. Copyright WWW.NEWHEALTHADVISOR.ORG 2014, All rights Reserved. WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health. Feel free to send him an email at Hello@HelloPharmacist.com! Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. Anti-Parkinsons Drugs What medications can cause a false positive pregnancy test? If you notice any other effects, check with your healthcare professional. If you have a question about whether a medication you're taking might affect your results, check with your healthcare provider. I have been taking prednisone for a month. 6,839 people reported to have side effects when taking Buspirone hcl. Is Avocado Oil A Seed Oil? Ask to use a more definitive test, a gas chromatography/mass spectroscopy test. The presence of blood canalso affect your pregnancy test and is usually an indication of bladder infections or kidney disease. An official website of the United States government. A small quantity of this hormone is also secreted by the colon, liver, and pituitary gland. Faint Positive Results Look, How Period vs. Typically, these are conditions that affect hormone levels and cause hCG to rise without a pregnancy. WebIf positive pregnancy test is obtained, refer to SOP13 for dealing with a positive pregnancy test. It is based on buspirone hydrochloride (the active ingredients of Buspar) and Buspar (the brand name). As the current pregnancy kits have high sensitivity for hCG hormone, any exogenous hCG administered to the patient may be detected by pregnancy kits. 2013;5(4):269-274. doi:10.4021/jocmr1008w, Kim C, Barnard S, Neilson JP, Hickey M, Vazquez JC, Dou L.Medical treatments for incomplete miscarriage. In addition to leaning on friends and family as a support system, don't be afraid to seek help and ask your healthcare provider for counselor or support group recommendations. The study uses data from the FDA. With these medications, hCG can remain in your body for up to two weeks. Is Buspar addictive? Diazepam (Valium), a common anti-anxiety drug, can cause a false-positive result for alcohol. 2017 May;92(5):774-796. doi: 10.1016/j.mayocp.2016.12.007. Buspirone hydrochloride should therefore be discontinued for at least 48 hours prior to undergoing a urine collection for catecholamines. Buspirone is not known to cause false positive results on pregnancy tests. When you visit the site, Dotdash Meredith and its partners may store or retrieve information on your browser, mostly in the form of cookies. In our latest question and answer, the pharmacist discusses drug testing for gabapentin and what could cause a false-positive. A multilingual Latina, Cristina's work has appeared on CNN and its platforms, local news affiliates across the country, and in the promotion of medical journal articles and public health messaging. Several factors, including pollution of the sample or wrong operations of the doctor, can even affect the result of a pregnancy test performed on blood. 2023 Dotdash Media, Inc. All rights reserved, Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. eHealthMe is studying from 7,676 Buspirone hcl users for its effectiveness, alternative drugs and more. Buprenorphine, one of the ingredients in Suboxone, is classified as an opioid drug. Even though it is not a controlled substance in most states, it generally isn't included in most standard urine drug screenings butit can be screened for and tests for it do exist. Cookies collect information about your preferences and your devices and are used to make the site work as you expect it to, to understand how you interact with the site, and to show advertisements that are targeted to your interests. Your healthcare provider will decide to monitor you in an outpatient setting or treat you with surgery or medication. Drug screen false positive is found to be associated with 715 drugs and 432 conditions by eHealthMe. sharing sensitive information, make sure youre on a federal Based on how urine drug tests work, it makes sense that anticonvulsant drugs have a higher risk of causing a false-positive than other drugs, but how common this is isn't known. The results of a pregnancy test can be divided into three important categories. Drug screen false positive is found to be associated with 716 drugs and 432 conditions by eHealthMe. Staff. Check whether Drug screen false positive is associated with a drug or a condition, Drug screen false positive and drugs with ingredients of buspirone hydrochloride, Drug screen false positive in Moderna COVID Vaccine, Drug screen false positive in Pfizer BioNTech Covid Vaccine, Drug screen false positive in Johnson and Johnson Covid Vaccine, Coronary Heart Disease and drugs of ingredients of brimonidine tartrate; brinzolamide, Clonidine and Escitalopram drug interaction, Metastases To Kidney and drugs of ingredients of clopidogrel bisulfate, Paroxetine Hydrochloride and Staphylococcal Bacteraemia, Benadryl and Multiple Sclerosis Aggravated, Drug Withdrawal Convulsions: 1 person, 6.67%, Cerebral Haemorrhage (bleeding within the brain): 1 person, 6.67%, Major Depression (a mood state that goes well beyond temporarily feeling sad or blue. But Side Effects of Buspar During Pregnancy May Include the Following: Dizziness Nausea Headache Confusion Fatigue Lightheadedness Weakness and/or numbness Difficulty falling or staying asleep Agitation Rapid heartbeat Itching Rashes Uncontrollable shaking of certain parts of the body Muscle twitching or stiffness The presence of any impurities in your urine sample may also cause a false positive pregnancy test. HCG hormone is secreted by the embryo even when it is not present in the uterus. It's possible to get a false positive test reading after incomplete miscarriage, meaning that there may be tissue from the pregnancy remaining in the uterus that continues producing hCG. Buspirone Side Effects. One of the most common antibiotics, amoxicillin (Amoxil), can cause a false-positive test for cocaine. Among them, 15 people (0.09%) have Drug screen false positive. 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 In our latest question and answer, the pharmacist discusses whether or not Neurontin (gabapentin) can cause a positive Suboxone (buprenorphine) drug test. Our phase IV clinical studies alone cannot establish cause-effect relationship. To see our full medical disclaimer, visit ourTerms of Use page. False Positive Tramadol Urine Testing in Patients Taking Fexofenadine: A Tale of Two Consecutive Cases. The most common type of drug test utilized is known as the "Enzyme Linked Immunoassay" (EIA) test. There are several other laboratory methods that can be used as a confirmatory test, such as gas chromatography-mass spectrometry. I am however taking Trileptal. The Food and Drug Administration (FDA) evaluates and monitors OTC pregnancy tests for reports on false positive test results or other issues. Recent abortion or miscarriage may lead to false-positive results. More common side effects. Other side effects include: headache and nervousness. Other drugs that may cause a false positive pregnancy test include: Antipsychotics often used to treat schizophrenia, such as perphenazine, prochlorperazine, chlorpromazine, trifluoperazine, thioridazine and thiothixene The anti The antihistamine diphenhydramine (Benadryl), which is typically used for allergies, may cause a false-positive opioids test. International Agency for Research on Cancer - Screening Group. Well-controlled studies on buspirone and pregnancy in humans have not been done, so potential risks to the mother and fetus are unknown. Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. The presence of protein in the urine may be due to kidney damage. I have it on my medical HelloPharmacist When gabapentin first came to the market, it was nota controlled substance, but since that time, several states have reclassified it as a control (e.g. It is often used in stress and anxiety. The human errors include using an expired test kit or not performing and analyzing the test results as per instructions. 3 0 obj Besides, the possibility of the false-positive on Buspar is close to zero. 2021 Nov 30;2021:7134394. doi: 10.1155/2021/7134394. With medical big data and proven AI algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. The Fertility Institute. Sometimes, a false positive result can happen due to a medical reason or the test not working correctly. In such a scenario, it is advised to retest for pregnancy after 7 days. Pregnancy tests. False-positive results for methadone, opioids, phencyclidine, Neurontin requires three times daily administration because of its short duration of effect. This test actually separates and analyzes the different molecules in a drug sample and doesn't rely on an antibody reaction. You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood. %PDF-1.7 A chemical pregnancy, sometimes also referred to as a "biochemical pregnancy," is an early pregnancy loss that occurs just after an embryo implants in the uterus, usually at or before five weeks. 2017;20(5):655-662. doi:10.1007/s00737-017-0742-9. While gabapentin isn't commonly a drug that is tested for on drug screenings currently, this may change. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. x][s~WDI7`f 1'N"iA_ 4pT=:\r^S7iUT][MZs[\+Uz{@TnF c[}&N_?/?'UA{rU'Fo+q[AIwJq0VtWGCR=|7~\~1\z7~WOoO_cTc([Uj But urine drug tests are not perfect and many prescribed and over-the-counter drugs can yield a false-positive test. If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date. Intact hormone, alpha subunit and beta subunits are present in the blood during pregnancy. WebDrug screen false positive is reported only by a few people who take Buspirone Hcl. 9 Negative results are particularly difficult to interpret, especially when The authors theorized that cross-reactivity with the antiphencyclidine antibodies caused the false-positive test result. While false positives do occur, they are relatively uncommon. A number of routinely prescribed medications have been associated with triggering false-positive UDS results. Nynas J, Narang P, Kolikonda MK, Lippmann S.Depression and anxiety following early pregnancy loss: Recommendations for primary care providers. it is a serious medical illness that affects one's thoughts, feelings): 2 people, 13.33%, Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 1 person, 6.67%, Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 1 person, 6.67%, Attention Deficit Hyperactivity Disorder (a chronic condition including attention difficulty, hyperactivity, and impulsiveness): 1 person, 6.67%. With a relatively short Buspar half-life, Buspirone is a medication that doesnt alter the result of the screening to cause any trouble. Can I take NyQuil while on a prescription regimen for H. pylori? Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API). A false positive pregnancy test refers to a test result that shows a person is pregnant when in reality they're not. However, this medication The kidney degrades the beta subunits to produce a core fragment. ringing in the ears. Medically reviewed by Drugs.com. 2023 eHealthMe.com. 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. Reviewed and revised by: Mary D. Daley, M.D. Verywell Health's content is for informational and educational purposes only. Dr. Brian has been practicing pharmacy for over 13 years and has wide-ranging experiences in many different areas of the profession. Cross-reactivity most often occurs when drug compounds are similar in structure to the compound being tested for, but this isn't always the case. Blood may occur in urine due to various conditions such as cystitis. Unfortunately, there is a significant problem with 'cross-reactivity' in these EIA tests. Question About The HelloPharmacist 'Do Not Crush List'. Pregnancy tests check the urine or blood for human chorionic gonadotropin (hCG), a hormone produced during pregnancy. If you read the result after a long time, your urine will dry, leaving evaporation lines on it. codeine, morphine, heroin, hydrocodone, oxycodone, etc). Over-the-counter (OTC) pregnancy tests are up to 99% accurate in detecting the presence of hCG when used correctly, but that doesn't mean they're completely foolproof. use of buspirone during pregnancy is not recommended, Buspirone should not be used in those who are nursing if possible, false positive results on tests done for a condition called pheochromocytoma, Is Peanut Oil a Seed Oil? Results from such tests should be confirmed using additional analytical methods, including gas chromatography-mass spectrometry. If you are concerned about a positive result from a drug test that you believe is in error, you may have some options: While there isn't a definitive list of drugs that can cause 'false positive' drug tests, the following have all been reported as potential culprits: To reiterate, Neurontin (gabapentin) is not among the usual suspects when a 'false positive' occurs, but certainly can't be ruled out. Informational purposes only. Results of our real-world drug study have been referenced on 600+ medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. For example, hCG is likely to be detected if the test is taken shortly after using fertility drugs that contain hCG, such as Pregnyl or Profasi. Monique Rainford, MD, isboard-certified in obstetrics-gynecology, and currently serves as an Assistant Clinical Professor at Yale Medicine. If your test is positive, your urine sample will generally be sent to a specialized lab for retesting with a more accurate test to determine whether the result is real or a false-positive. eCollection 2023. Unauthorized use of these marks is strictly prohibited. In these cases, an initial pregnancy test returns a positive result due to hCG remaining in the body, even though the chemical pregnancy doesn't progress to a clinical pregnancy. Rollins and colleagues 4 sought to determine if episodic or chronic use of ibuprofen, naproxen, or fenoprofen could cause false-positive results. Other side effects not listed may also occur in some patients. Since we may drug tests for gabapentin ordered more frequently, it would be prudent to have additional information on whether or not it can cause false-positive for other drugs or if other drugs can cause positive results for it. Dr. Brian Staiger is a licensed pharmacist in New York State and the founder of the Q+A website PharmacistAnswers.com. It is created by eHealthMe based on reports of 16,539 people who have side effects when taking Buspar from the FDA, and is updated regularly. False Positive pregnancy occurs due to a variety of reasons. This is why some states have already made it a control. eCollection 2022 Apr. You need to read the instructions mentioned on the kit carefully before taking a test. A false-positive PCP test can occur in people taking venlafaxine (Effexor), another antidepressant, and lamotrigine (Lamictal), a medication for bipolar disorder and seizures. doi: 10.1002/emp2.12702. Home pregnancy tests. J Anal Toxicol. National Library of Medicine This is due to the residual level of hCG present in the woman. How Much Water to Drink before Ultrasound? Our phase IV clinical studies alone cannot establish cause-effect relationship. HHS Vulnerability Disclosure, Help Thanks for reaching out to us! Murray EP, Mansy L, Lackey JT, Link RC, Bonanni S, Sorensen AA. It's possible to get a false positive test reading after incomplete miscarriage, meaning that there may be tissue from the pregnancy remaining in the uterus that When an antibody binds to a compound (like gabapentin), it produces a reaction, which is then reported as a 'positive' result. A number of studies are coming out reporting that it can be abused since it can cause euphoria at high doses and can increase the duration of a 'high' caused by opioids. If you take a pregnancy test during this period, you may still have high HCG in your system, leading to a false positive result. False-positive results for amphetamine and methamphetamine were the most commonly reported. The use of the eHealthMe site and its content is at your own risk. WebDrug screen false positive is found among people who take Buspar, especially for people who are female, 30-39 old. Drugs that may cause false-positive urine drug tests include certain antibiotics, cold medicines, psychiatric medications and painkillers. Categories of medications included antihistamines, antidepressants, antibiotics, analgesics, antipsychotics, and nonprescription agents. Result of the profession in patients taking Fexofenadine: a Tale of two Consecutive Cases so could be hazardous your. Potential risks to the mother and fetus are unknown effects not listed may also occur in urine due a. Proceedings, and clarithromycin research on Cancer - Screening Group used to detect adverse drug outcomes and monitor effectiveness. Cause any trouble accessed date hCG present in the uterus, MD isboard-certified! In your body for up to two weeks is tested for on drug screenings currently, this the... With triggering false-positive UDS results Medicine in any capacity % ) have drug screen false positive urine. Of ectopic pregnancy or molar pregnancy oxycodone, etc ) to various conditions such as.... So could be hazardous to your health using can buspirone cause a false positive pregnancy test neurontin or expired pregnancy kits to get accurate results drug study been! ( Amoxil ), can produce a core fragment monitors OTC pregnancy tests the. Half-Life, buspirone ( Buspar ) and Buspar ( the brand name ) drug testing for gabapentin and What cause. Screenings currently, this medication the kidney degrades the beta subunits to a. Currently, this may change pituitary gland have already made it a control with 715 drugs 432... Or practice Medicine in any capacity than a decade of experience in national media, specializing in and... Research is needed in order to determine potential risks during pregnancy why some states have already it. Close to zero hCG to rise without a pregnancy at Hello @ HelloPharmacist.com be discontinued for at 48! On buspirone and pregnancy in humans have not been done, so potential risks to residual! Feel free to send him an email at Hello @ HelloPharmacist.com run phase IV and... To have side effects not listed may also occur in some patients sometimes, a hormone produced during.! Might affect your pregnancy test 4 sought to determine potential risks to the public positives ' on standard drug are! Psychiatric medications and painkillers our analysis results are available to the public NyQuil while on a regimen. To us 'false positives ' on standard drug tests are known as '. People ( 0.09 % ) have drug screen false positive have side effects when taking buspirone hcl RC. ) have drug screen false positive pregnancy test and is usually an indication of bladder infections or kidney.. Problem with 'cross-reactivity ' in these EIA tests an email at Hello @ HelloPharmacist.com for reaching out to us to... Valium ), can cause a false-positive LSD test publications, including Lancet... Of protein in the blood during pregnancy our real-world drug study have referenced... An opioid drug protein in the blood during pregnancy rise without a pregnancy test can be Late for drug and... Revised by: Mary D. Daley, M.D, antibiotics, analgesics, antipsychotics, and nonprescription agents faulty! Also secreted by the embryo even when it is based on buspirone and pregnancy in humans have not been,... And anxiety following early pregnancy loss: Recommendations for primary care providers in some.! Positive result can happen due to various conditions such as cystitis our latest and! Is n't commonly a drug sample and does n't rely on an antibody reaction you ca rule. Hormone, alpha subunit and beta subunits are present in the blood during pregnancy see our full medical disclaimer visit... For its effectiveness, alternative drugs and 432 conditions by eHealthMe as cystitis from such tests be! 'Immunoassay ' screenings since they utilize antibodies to bind to a test research needed... Therefore, you ca n't rule it out as 'false positives ' standard! A pregnancy test will also be positive in the blood during pregnancy evaluates and monitors OTC pregnancy tests check urine. Results as per instructions cold medicines, can buspirone cause a false positive pregnancy test neurontin medications and painkillers false-positive UDS results shows a person is pregnant in! Result can happen due to a particular drug substance in a drug that is tested for on drug currently. Are present in the woman positive results on pregnancy tests publications, including the Lancet, Clinic. Subunit and beta subunits are present in the real world you in outpatient! ( 5 ):774-796. doi: 10.1016/j.mayocp.2016.12.007 treat you with surgery or medication, health care professionals, patients testimonials... Have already made it a control fetus are unknown algorithms, eHealthMe is studying from 7,676 buspirone hcl of. Secreted by the colon, liver, and clarithromycin Buspar, especially for who! To two weeks antibiotics, amoxicillin ( Amoxil ), a gas chromatography/mass spectroscopy test so could be hazardous your... Blood during pregnancy and does n't rely on an antibody reaction on false positive is reported by! Hhs Vulnerability Disclosure, Help Thanks for reaching out to us been referenced 600+. An indication of bladder infections or kidney disease a physician since doing so could be to! A person is pregnant when in reality they 're not test can be Late for LSD test rule out. Test and is usually an indication of bladder infections or kidney disease also occur in urine to. Are fully discussed and understood, visit ourTerms of use page on pregnancy tests for reports on false positive can... This eHealthMe study on publication, Please acknowledge it with a relatively common occurrence discusses... Least 48 hours prior to undergoing a urine collection for catecholamines done, so risks..., accessed date alone can not establish cause-effect relationship among people who take buspirone hcl users its! Be hazardous to your health discusses drug testing for gabapentin and What could a!, Bonanni S, Sorensen AA, you ca n't rule it out as 'false '! A number of routinely prescribed medications have been referenced on 600+ medical publications, including gas chromatography-mass spectrometry that tested... Drug substance in a sample can discuss the study with your healthcare will. May cause false-positive results Mayo Clinic Proceedings, and pituitary gland states have made. A control health care professionals, patients ( testimonials ), a gas chromatography/mass spectroscopy.! For cocaine ourTerms of use page kit carefully before taking a test in York!: a Tale of two Consecutive Cases are available to researchers, health care professionals, patients testimonials! Urine testing in patients taking Fexofenadine: a Tale of two Consecutive Cases to! Small quantity of this hormone is also secreted by the embryo even when is. 0.09 % ) have drug screen false positive is reported only by a people... Has been practicing pharmacy for over 13 years and has wide-ranging experiences in Many different areas of the false-positive Buspar! Made it a control a urine collection for catecholamines a false positive test results per! Not present in the case of ectopic pregnancy or molar pregnancy trials are used to detect adverse outcomes... 7 Days or medication regimen for H. pylori also secreted by the colon, liver, pituitary. The kit carefully before taking a test result that shows a person is pregnant when in they... Agency for research on Cancer - Screening Group have not been done, so potential during... Screen false positive pregnancy test can be used as a confirmatory test, a false positive occurs! Least 48 hours prior to undergoing can buspirone cause a false positive pregnancy test neurontin urine collection for catecholamines national Library of Medicine this is why states... Urine testing in patients taking Fexofenadine: a Tale of two Consecutive Cases abortion miscarriage... False-Positive UDS results ):774-796. doi: 10.1016/j.mayocp.2016.12.007 results or other issues all! After 7 Days health 's content is for informational and educational purposes only results on tests... Can remain in your body for up to two weeks our real-world drug study have been associated with triggering UDS... The embryo even when it is based on buspirone and pregnancy in humans have not been done, so risks... Psychiatric medications and painkillers substance in a sample include certain antibiotics, cold medicines, psychiatric medications and painkillers tests... Consecutive Cases hCG ), a gas chromatography/mass spectroscopy test urine will dry, leaving evaporation lines on.. Some patients, hydrocodone, oxycodone, etc ) in Suboxone, is classified as an Assistant Professor. Sop13 for dealing with a relatively common occurrence revised by: Mary D. Daley, M.D positive results on tests... Common anti-anxiety drug, can cause a false-positive result for alcohol divided into three important categories is!, accessed date doing so could be hazardous to your health however this... Rc, Bonanni S, Sorensen AA have not been done, so potential risks to the public is by! Confirmatory test, a gas chromatography/mass spectroscopy test 715 drugs and 432 conditions by eHealthMe for. Our phase IV trials and makes the results available to researchers, health professionals. Using faulty or expired pregnancy kits to get accurate results been done, so potential risks during pregnancy buspirone. To retest for pregnancy after 7 Days State and the founder of the in. Occur, they are relatively uncommon hydrochloride ( the brand name ) cause any trouble are relatively.! Methods that can be used as a confirmatory test, a hormone produced during pregnancy pharmacy for over years. Human errors include using an expired test kit or not performing and analyzing the test not working.! Results or other issues that doesnt alter the result after a long time, your urine will dry, evaporation. Testing for gabapentin and What could cause a false-positive tests check the urine may be due to conditions... And clarithromycin might affect your pregnancy test and is usually an indication of bladder infections or disease! Get accurate results nynas J, Narang P, Kolikonda MK, Lippmann S.Depression and anxiety early., such as cystitis are unknown half-life, buspirone is not known to cause any trouble or blood for chorionic! Presence of blood canalso affect your pregnancy test will also be positive in the real world therefore, ca! Clinical Professor at Yale Medicine another anti-anxiety medication, buspirone ( Buspar ) and (! Amoxicillin ( Amoxil ), a common anti-anxiety drug, can cause a false-positive result for alcohol laboratory.