How is trichomoniasis prevented?

Updated: Jan 02, 2020
  • Author: Darvin Scott Smith, MD, MSc, DTM&H; Chief Editor: Michael Stuart Bronze, MD  more...
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Abstinence from sexual intercourse prevents trichomoniasis, except in cases of vertical transmission. Male condoms are the best and most reliable protection against T vaginalis transmission during intercourse. [129] Limiting the number of sexual partners and using diaphragms have been shown to protect against the transmission of trichomoniasis. [38] Although the efficacy of female condoms is undefined, they may also provide some protection from T vaginalis infection. [57, 11, 130]

Spermicides that contain nonoxynol-9 may decrease the risk of trichomoniasis [131] , although frequent use may be associated with an increased risk of HIV infection and other sexually transmissible agents owing to the disruption of the genital epithelium. The CDC does not recommend the use of nonoxynol-9 spermicides for the prevention of trichomoniasis. [57, 11]

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