in process …


Something bad happened. You should try to fix …


The action is completed.

False-positive and false-negative results can also occur

The urea breath test is an increasingly common way for physicians to safely and accurately diagnose the presence of H. pylori in the most cost effective way possible. The increasing use of this test will undoubtedly lead to this bacterium to be more easily identified and thereby allow more and more patients to reap the of treatment.

The cough suppressant dextromethorphan may cause false-positive PCP and opioid levels due to its metabolite’s similarity to the opioid agonist levorphanol. Furthermore, decongestants phenylephrine and pseudoephedrine have shown false-positive amphetamine levels due to similar structures. To prevent misinterpretations, consider limiting these medications in high-risk populations.To comment on this article, contact

For patients who do not have “alarm” symptoms such weight loss or vomiting which require a more thorough evaluation, non-invasive testing for H. pylori can easily and effectively diagnose the presence of this bacterium. One such test that is commonly available now is a urea breath test. This test can be used to both diagnose Helicobacter pylori and confirm its eradication. The test requires a patient to provide a sample of their breath about 20 minutes after ingesting a compound. This is based on the fa

Harper SA, Bradley JS, Englund JA, File TM, Gravenstein S, Hayden FG et al. . 2009 Apr on Infectious Diseases, American Academy of Pediatrics.

Ali T, Scott N, Kallas W, Halliwell ME, Savino C, Rosenberg E, Ferraro M, Hohmann E. Detection of influenza antigen with rapid antibody-based tests after influenza vaccination (FluMist). Clin Infect Dis. 2004 Mar 138(5):760-2.

Related links


pylori urea breath diagnose compound