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Review
. 2015 Aug 5:15:307.
doi: 10.1186/s12879-015-1055-0.

Trichomonas vaginalis: a review of epidemiologic, clinical and treatment issues

Patricia Kissinger  1
Affiliations
Review

Trichomonas vaginalis: a review of epidemiologic, clinical and treatment issues

Patricia Kissinger. BMC Infect Dis. .

Abstract

Trichomonas vaginalis (TV) is likely the most common non-viral sexually transmitted infection (STI) in the world. It is as an important source of reproductive morbidity, a facilitator of HIV transmission and acquisition, and thus it is an important public health problem. Despite its importance in human reproductive health and HIV transmission, it is not a reportable disease and surveillance is not generally done. This is problematic since most persons infected with TV are asymptomatic. Metronidazole (MTZ) has been the treatment of choice for women for decades, and single dose has been considered the first line of therapy. However, high rates of retest positive are found among TV infected persons after single dose MTZ treatment. This has not been explained by drug resistance since in vitro resistance is only 2-5 %. Treatment failure can range from 7-10 % and even higher among HIV+ women. Treatment efficacy may be influenced by vaginal ecology. The origins of repeat positives need further explanation and better treatment options are needed.

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Figures

Fig. 1
Fig. 1
Possible causes of a repeat TV+ test after treatment among TV infected persons
See this image and copyright information in PMC

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