What is Bacterial Vaginosis, Causes and Treatment

by | Jun 10, 2017 | anti fungal | 0 comments

Bacterial vaginosis is a common vaginal infection that occurs when certain bacteria in the vagina, which normally exist in small numbers, overgrow or multiply quickly.

Bacterial vaginosis and its causes

The cause of bacterial vaginosis is not fully understood. It has been demonstrated that an overgrowth of various bacteria causes bacterial vaginosis. A single type of bacteria does not cause it. There are a large number of good bacteria in the vagina that keeps the number of harmful bacteria very low. The infection, called bacterial vaginosis, develops when the number of harmful bacteria increases more than the number of good bacteria. Experts describe these changes as shifts in the bacterial flora of the vagina, from predominance of Lactobacillus species to high concentrations of anaerobic bacteria. The condition is not considered a sexually transmitted disease as the bacteria come from your body, not from a sexual partner. Also, the infection does not get passed on to a male sexual partner, and he does not need any treatment. However, in some women, bacterial vaginosis is associated with sexual practices. It may occur after a change in sexual partner. In such cases, the infection is also not caught from another male partner. However, this change may alter the balance of normal vaginal bacteria.

Bacterial vaginosis is not due to poor hygiene. In fact, excessive rinsing of the vagina may change the normal balance of vaginal bacteria, which may make the infection more likely to develop.

Symptoms of bacterial vaginosis

The symptoms may include grey vaginal discharge; it is one of the main symptoms of bacterial vaginosis. The discharge has a fishy smell. Bacterial vaginosis is the commonest cause of vaginal discharge in adult women. The fishy smell may be most noticeable during sexual practice. The vaginal discharge tends to be thicker and more just after menstrual periods and sexual practice. The vaginal discharge does not cause itching or soreness in the reproductive area.

Some women do not experience any symptoms. These women get to know about the infection by chance while cleaning the vagina and for other reasons. The infection can occur in any woman, but it is prevalent in women who have an intrauterine contraceptive device (IUCD). According to studies, about half of women using an IUCD had bacterial vaginosis at least once over two years.

Diagnosis of bacterial vaginosis

The typical vaginal discharge with a fish smell can make bacterial vaginosis likely. The discharge due to the infection typically has a pH level different from that of other causes.

To identify whether it is bacterial vaginosis or not, your doctor will perform a test by swabbing the vaginal discharge. Other related laboratory tests may also be used to identify the underlying cause of the problem.

Possible complications

  • If you have left untreated bacterial vaginosis, you may have an increased risk of developing pregnancy complications. These may include infection of the uterus after delivery, early labour or even miscarriage.
  • There is an increased risk of developing an infection of the womb following certain surgeries. For example, vaginal hysterectomy. However, a patient with bacterial vaginosis is provided with antibiotics before operations on the uterus to prevent the infection.

Treatment of bacterial vaginosis

Metronidazole is a medication commonly used to treat bacterial vaginosis. In most cases, it eliminates the infection within 7 to 8 days. The recommended dosage for balancing vaginal bacteria is 400 mg twice daily. Some women can feel sick and even vomit while taking Metronidazole. To avoid this problem, take your medicine immediately after eating. You may also experience a metallic taste as an adverse effect.

Patients are not allowed to consume alcohol while taking metronidazole and for at least two days after completing the treatment. If taken along with alcohol, it can make you vomit and may cause other health-related issues.

Lactating women should exercise caution while taking medicine for bacterial vaginosis, as it can get into breast milk. However, the medicine is not known to affect breastfeeding in a baby. To play safe, it is recommended that you take a one-week course and also with a preferred lower dose so that the baby does not receive the large dose of metronidazole.

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