What Is It?
Vaginitis is inflammation of the vagina. In premenopausal women, infection is the most common cause. After menopause, a low level of estrogen often leads to vaginal atrophy (atrophic vaginitis). Vaginitis also can be the result of an allergic reaction to an irritating chemical, such as a spermicide, douche or bath soap.
Almost all infectious vaginitis is caused by one of three infections:
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