Treatment of trichomonal vaginitis with a single oral dose of metronidazole.

more sensitive than simple microscopy. Patients were included in the trial when the diagnosis was made while the doctor conducting the trial was on duty. The only patients excluded were those who had already been treated for a trichomonal infection in the previous 3 months. The treatment used was a single oral dose of 2 g. metronidazole. In the pilot study this necessitated the ingestion of ten tablets, which the patients found some-