Trichomoniasis
Trichomoniasis, “Trich”, is a very common STD caused by the protozoan parasite, Trichomonas vaginalis. Coinfection with other STDs and bacterial vaginosis is very common. Most people who have the parasite cannot tell they are infected.
How is Trichomoniasis spread?
Trichomoniasis is contracted by having oral, vaginal, or anal intercourse with someone who has the disease.