Bacterial vaginosis is caused by various bacteria (e.g. Gardnerella vaginalis). It can be caused by an imbalance of the bacterial milieu in the vagina. Bacterial vaginosis can be treated with antibiotics. If left untreated, bacterial vaginosis can lead to pelvic inflammatory disease (PID).

Who does bacterial vaginosis affect?

Anyone with a vagina can be affected by bacterial vaginosis. Bacterial vaginosis is the most common cause of vaginal discharge. Some people with vaginas have regular problems with recurring bacterial vaginosis.

How is bacterial vaginosis transmitted?

Bacterial vaginosis is not sexually transmitted.

It is caused by a disruption to the bacterial milieu, for example due to certain soaps, intimate sprays or medications. It can also be caused by hormones, for example as a result of hormonal contraception or a menopause which was not treated with hormone replacement therapy (HRT).

How can I protect myself?

The use of soaps or sprays in the vaginal area can disrupt the bacterial milieu in the vagina. Vaginal douches can also cause it. It is also recommended to only use tampons or sanitary pads during menstruation and regularly change them.

What symptoms can appear?

The following symptoms are typical of bacterial vaginosis and can be intensified during menstruation or after vaginal sex:

  • A thin white or grey discharge
  • An unpleasant, often fishy odour

How do they test for bacterial vaginosis?

A swab is taken to rule out sexually transmitted infections. The sample is examined under a microscope.

How is bacterial vaginosis treated?

Bacterial vaginosis is treated with antibiotics. There is no need to inform your sexual partners, as it is not sexually transmitted.