When a woman sees a doctor because she has fluid coming out of her vagina, the doctor might test the woman for bacteria pathogens. Pathogens can grow too fast. They can grow faster than the normal and healthy vaginal microbiota. An infection can make fluid come out of the vagina. This is called vaginal discharge. A good and healthy bacteria that keeps the vagina free from sickness is called Lactobacillus. There other good bacteria that keep the vagina healthy. Some of their names are: Peptostreptococcus, Propionibacterium, and Actinomyces.