what is trich
trichomoniasis also called trich is a common sexually transmitted disease std that affects both men and women trichomoniasis is caused by a protozoan parasite called trichomonas vaginalis and is a cause of vaginal infections in women and urethral infections in mentrichomoniasis is an std that affects approximately 5 million people in the us every yearrichomoniasis is caused by a protozoan parasite called trichomonas vaginalis and is a cause of vaginal infections in women and urethral infections in men