Like other areas of the body — such as the mouth and the gut — the vagina also has a complex ecosystem of bacteria that keep it healthy.
When the production of these bacteria is imbalanced or uncontrolled, it can cause a condition known as bacterial vaginitis. Bacterial vaginitis (BV) often causes itching, pain, and abnormal discharge.
There are the most commonly occurring types of BV:
Trichomoniasis: it’s a sexually transmitted infection (STI) caused by a single-celled parasite called Trichomonas Vaginalis. This parasite enters your body during sexual intercourse with an infected person.