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Trichomonas vaginalis

  • Cherie Priya Dhar
Chapter
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Abstract

Trichomonas vaginalis is the only known sexually transmitted protozoal infection. There are estimates of 7.4 million new cases of trichomonas in 2000, with one-quarter of them, 1.9 million, occurring in persons aged 15–24 years (Weinstock et al. Perspect Sex Reprod Health 36:6–10, 2004). The severity of infection is often mild; however, trichomoniasis has been linked to serious outcomes including facilitation of HIV transmission and preterm labor. When T. vaginalis does cause symptoms, vaginal discharge or urethritis is the most common presenting complaint. There are no universally accepted screening guidelines, in part because the consequences of untreated infection remain unclear. There have been significant advances in the diagnosis of T. vaginalis; currently, nucleic acid amplification testing and rapid antigen testing are the most sensitive and specific modalities used in diagnosis. A single oral dose of metronidazole can be used for treatment and antibiotic resistance is rare.

Keywords

Trichomonas vaginalis Vaginal discharge Urethritis Sexually transmitted infection Protozoan 

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Cherie Priya Dhar
    • 1
  1. 1.Department of PediatricsAnn & Robert H. Lurie Children’s Hospital of ChicagoChicagoUSA

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