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Genitourin Med. 1996 February; 72(1): 60–61.
PMCID: PMC1195594

Sexually acquired metronidazole-resistant trichomoniasis in a lesbian couple.


A lesbian couple in a monogamous relationship each presented with vaginal discharge demonstrable on culture to contain Trichomonas vaginalis. Their symptoms had failed to respond to standard regimens of metronidazole, and subsequent microbiological sensitivities confirmed resistance of the trichomonads to metronidazole (minimum inhibitory concentrations in aerobic conditions > 8 mcg/ml). In addition, the couple denied use of penetrative sex toys or recent male partners, supporting the concept of transmission through mutual masturbation.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.
  • Kampmeier RH. Description of Trichomonas vaginalis by M. A. Donné. Sex Transm Dis. 1978 Jul-Sep;5(3):119–119. [PubMed]
  • Sivakumar K, De Silva AH, Roy RB. Trichomonas vaginalis infection in a lesbian. Genitourin Med. 1989 Dec;65(6):399–400. [PMC free article] [PubMed]
  • Robertson P, Schachter J. Failure to identify venereal disease in a lesbian population. Sex Transm Dis. 1981 Apr-Jun;8(2):75–76. [PubMed]
  • Edwards A, Thin RN. Sexually transmitted diseases in lesbians. Int J STD AIDS. 1990 May;1(3):178–181. [PubMed]
  • Ahmed-Jushuf IH, Murray AE, McKeown J. Managing trichomonal vaginitis refractory to conventional treatment with metronidazole. Genitourin Med. 1988 Feb;64(1):25–29. [PMC free article] [PubMed]
  • Robinson SC. Trichomonal Vaginitis Resistant to Metranidazole. Can Med Assoc J. 1962 Apr 7;86(14):665–665. [PMC free article] [PubMed]

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