Neometin is a medication used to treat vaginitis caused by Trichomonas vaginalis, Gardnerella vaginalis, and Candida albicans, as well as co-infections of Trichomonas and yeast. Additionally, Neometin suppositories are effective in treating vaginitis caused by multiple combined pathogens. The medication is also used for prophylaxis five days before and after gynecological procedures.