Clotina-V Vaginal Suppossitory is used to treat vaginal infections caused by bacteria (bacterial vaginosis), yeast infection (candidiasis), and parasitic infections (trichomoniasis). Bacterial vaginosis is caused by the change in the average balance of vaginal bacteria. Vaginal yeast infection or Candidiasis is the infection of the vagina and tissues at the opening of the vagina (vulva). Trichomoniasis is a sexually transmitted infection caused by a parasite. Symptoms of a vaginal infection include itching, odour, and abnormal heavy white discharge from the vagina.