Flagyl (8823 R. P.) of Specia production was applied in 62 women with trichomonadosis and in their 54 partners. In women, the treatment was general and local, in men - general. Beneflcial results were obtained in 57 womn, i. e. in 92%. In 5 cases with recurrent disease a secondary contact infection could be demonstrated. Flagyl is advocated for the treatment of trichomonadosis, as it proved to be the most efficient of all hitherto known drugs