Vaginitis | BlackDoctor


    Vaginitis is an inflammation of the vagina. It often is caused by infections, some of which are associated with serious diseases.

    The most common vaginal infections are:

    • Bacterial vaginosis
    • Trichomoniasis
    • Vaginal yeast infection

    Some vaginal infections are transmitted through sexual contact, but others,
    such as yeast infections, probably are not.


    Bacterial vaginosis (BV) is the most common cause of vaginitis symptoms among
    women of childbearing age. It previously was called nonspecific vaginitis or
    Gardnerella-associated vaginitis. Health experts are not sure what role
    sexual activity plays in BV.

    BV reflects a change in the growth of vaginal bacteria. This chemical
    imbalance occurs when different types of bacteria outnumber the normal, “good”
    ones. Instead of Lactobacillus (a type of normal bacteria that can live
    naturally in the vagina) being the most numerous, increased numbers of bacteria
    such as Gardnerella vaginalis, Bacteroides, Mobiluncus, and
    Mycoplasma hominis are found in the vaginas of women with BV.
    Researchers are studying the role that each of these germs may play in causing
    BV, but they do not yet understand the role of sexual activity in developing BV.
    A change in sexual partners, using an IUD (intrauterine device), and douching
    may increase a woman’s risk of getting BV.


    The main symptom of BV is an abnormal, foul-smelling vaginal discharge. Some
    women describe it as a fish-like odor that is most noticeable after having sex.
    Nearly half of the women with signs of BV, however, have no symptoms. A health
    care provider may see these signs while giving a physical examination and may
    confirm the diagnosis by doing lab tests of vaginal fluid.

    Other symptoms may include

    • Thin vaginal discharge, usually white or gray in color
    • Pain during urination
    • Itching around the vagina


    A health care provider can examine a sample of vaginal fluid under a
    microscope, either stained or in special lighting, to look for bacteria
    associated with BV. Then, they can diagnose BV based on

    • Absence of lactobacilli
    • Presence of numerous “clue cells” (cells from the vaginal lining that are
      coated with BV germs)
    • Fishy odor
    • Change from normal vaginal fluid


    Health care providers use antibiotics such as metronidazole or clindamycin to
    treat women with BV. Generally, male sex partners will not be treated.


    In most cases, BV causes no complications. There have been documented risks
    of BV, however, such as an association between BV and pelvic inflammatory
    disease (PID). PID is a serious disease in women which can cause infertility and
    tubal (ectopic) pregnancy.

    BV also can cause other problems such as premature delivery and
    low-birth-weight babies. Therefore, some health experts recommend that all
    pregnant women, whether or not they have symptoms, who previously have delivered
    a premature baby be checked for BV. A pregnant woman who has not delivered a
    premature baby should be treated if she has symptoms and laboratory evidence of

    BV also is associated with increased chances of getting gonorrhea or HIV
    infection. (HIV, human immunodeficiency virus, causes AIDS.)


    Trichomoniasis (trick-oh-moe-nye-uh-sis) is one of the most common sexually
    transmitted infections (STIs). According to CDC, an estimated 7.4 million new
    cases occur in men and women every year in the United States.

    Trichomoniasis is caused by a parasite called Trichomonas vaginalis.
    Trichomoniasis is primarily an infection of the urogenital tract. The vagina is
    the most common place for infection in women, and the urethra is the most common
    in men.


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