It’s important to know what our bodies go through! 💯 Read below to understand what these infections are and how they affect you: Yeast Infection The most common type of vaginitis, a yeast infection is caused by one of the many types of fungus known as candida. Normally, candida live harmlessly in your body in small numbers, including in the vagina. But under certain conditions, an overgrowth of candida can occur, causing a vaginal infection. Those conditions might include hormone level changes