does phentermine affect pregnancy test results

Copyright 2017, 2013 Decision Support in Medicine, LLC. WebStudies have not been done to see if phentermine increases the chance for pregnancy-related problems such as preterm delivery (birth before week 37) or low birth weight (weighing less than 5 pounds, 8 ounces [2500 grams] at birth). Positive results can be trusted, but you can get a false negative result if you take the test too soon. Your HCG levels start to build up once the fertilized egg implants in your uterus about six to 10 days after conception. May make these conditions worse. Mayo Clinic is a nonprofit organization and proceeds from Web advertising help support our mission. Among other endocrine abnormalities, lithium may induce primary hyperparathyroidism and diabetes insipidus by decreasing the action of antidiuretic hormone (ADH) on the kidney tubules; hence, regular monitoring of TSH, calcium, and fluid intake is recommended during lithium use. Does cocaine show up in a blood test to check for diabetes? An alternative to this medication should be prescribed or you should stop breastfeeding while using this medicine. Contaminants can also interfere with the immunoassay's ability to detect the presence of drugs. WebEndocrinology 43 years experience. Whether patients are referred to us or already have a Cleveland Clinic ob/gyn, we work closely with them to offer treatment recommendations and follow-up care to help you receive the best outcome. Copyright: Merative US L.P. 1973, 2023. Hypothyroidism has also been reported with interferon- treatment for multiple sclerosis, but the thyroid dysfunction is usually subclinical and transient, with LT4 replacement usually not required. information highlighted below and resubmit the form. Testing may be performed for reasons other than monitoring opioid therapy,8 such as drug rehabilitation, employment requirements (e.g., for occupations that require special transportation licensing), military or sports participation, or legal situations. does a blood test detect sooner than a urine test? Use extra care not to become overheated during exercise or hot weather while you are taking this medicine. Place the pregnancy test strip in your urine stream while you pee. Serious skin reactions (eg, Stevens-Johnson syndrome, toxic epidermal necrolysis) can occur with this medicine. Amiodarone and the thyroid. A low TSH is most frequently diagnostic of spontaneous hyperthyroidism. ), (Review of medications which affect levothyroxine absorption. Similar to other causes of hypothyroidism, LT4 replacement may be indicated. Click to reveal The Licensed Content is the property of and copyrighted by DSM. Some patients have a combination of the two types of AIT and require both methimazole and corticosteroids. Stroke, history ofShould not be used in patients with these conditions. It should melt quickly. True-negative results occur when a patient is not taking the medication as prescribed and there is no drug present in the urine sample, or when the drug is metabolized so rapidly that the metabolites are eliminated before they can be detected. Talk with your doctor if you have any concerns about this. Drinking too much water or any liquid can affect a pregnancy test. No. Fen-Phen was a medication made of fenfluramine and phentermine prescribed to help people lose weight. Fenfluramine was taken off of the market in September 1997 because of the concern that it caused heart problems. Phentermine is still available. Can losing weight impact my pregnancy? It is not recommended that you lose weight during pregnancy. Confirmatory testing is essential to distinguish a true negative from a false negative. Exogenous iodine administration (from topical disinfectants, radiologic contrast agents, amiodarone, and other sources) can induce hyperthyroidism or hypothyroidism. This medicine may affect blood sugar levels. J Clin Endocrinol Metab.. vol. Your test will also have a control window that indicates that you took the test correctly. Acetylatedthebaine-4-metabolite glucuronide is a metabolite of thebaine, which is found in street heroin; it has been proposed as a new marker to differentiate morphine and codeine ingestion from heroin use.19,20 If concurrent opioid and heroin use is a concern, the pathologist or toxicologist at the local reference laboratory should be consulted to determine the appropriate ordering and testing procedure. Talk with your doctor before starting an exercise program. This means if you take a test too soon, it will come back negative. Urine drug testing is an essential component of monitoring patients who are receiving long-term opioid therapy, and it has been suggested for patients receiving long-term benzodiazepine or stimulant therapy. False-positive results can occur from cross-reactivity of commonly used medications with the assay. Swallow the tablet whole. government site. 2011. If you took phentermine before pregnancy, it should have no effect on your ability to carry a healthy baby to term. Gur C, Diav-Citrin O, Shechtman S, Arnon J, Ornoy A. Reprod Toxicol. For the most accurate reading, its still recommended that you wait until youve missed your period. However, blood tests can detect pregnancy sooner and are the only tests to show specific amounts of HCG in your body. Check with your doctor if you have any questions. Background: WebWithdrawal is more likely if you have used phentermine for a long time or in high doses. Use of phentermine is not recommended in children 16 years of age and younger. 20. Pseudo-abnormalities in thyroid function tests should be differentiated from true thyroid dysfunction. This effect is transient and has been reported primarily with high doses of glucocorticoids and intravenous dopamine or dobutamine. (Excellent concise review. An exception is bexarotene, in which the associated central hypothyroidism that is occasionally seen normalizes after the discontinuation of the medication. These tests can use either your pee or blood to look for HCG. This is the time of day when your HCG levels will be the most concentrated and easily detected. These may be symptoms of a serious condition called hyperammonemic encephalopathy. Pee in a clean cup and then dip the test strip in the pee while its still in the cup. All results are considered presumptive until confirmatory testing is performed. - Conference Coverage There are two main types of pregnancy tests: urine and blood tests. Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. Epub 2017 Oct 12. Curr Opin Endocrinol Diabetes.

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