Bacterial vaginosis (Gardnerella vaginitis)
- Reviewed by Robert H. Shmerling, MD, Senior Faculty Editor, Harvard Health Publishing; Editorial Advisory Board Member, Harvard Health Publishing
What is bacterial vaginosis?
Bacterial vaginosis is a common cause of vaginitis that leads to abnormal vaginal odor and discharge. It is caused by a change in the type of bacteria found in the vagina. Normally, bacteria belonging mostly to the Lactobacillus family live harmlessly in the vagina and produce chemicals that keep the vagina mildly acidic. In bacterial vaginosis, the balance of bacteria in the vagina is disrupted and shifted toward other types of bacteria (such as Gardnerella vaginalis) that are usually present in smaller concentrations.
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About the Reviewer
Robert H. Shmerling, MD, Senior Faculty Editor, Harvard Health Publishing; Editorial Advisory Board Member, Harvard Health Publishing
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