Guidelines from the IDSA were updated in 2018. Among the recommendations, the guidelines specify that patients with unexplained, new-onset unformed stools (three or more within 24 hours) are the preferred target population for C difficile infection testing. These latest IDSA guidelines do not recommend testing stool from asymptomatic patients, except for epidemiologic studies. Data are also insufficient to recommend the routine use of biologic markers as an adjunct to diagnosis. Because asymptomatic carriage of C difficile is common in infants, testing is not routinely recommended for neonates or infants aged 12 months or younger with diarrhea.
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Cite this: B.S. Anand. Fast Five Quiz: Clostridium difficile - Medscape - Aug 05, 2019.