Bacterial vaginosis is a common but rather unknown condition which leads to a imbalance of bacteria inside the vagina. This imbalance occurs when the ‘bad’ bacteria (which are always in a vagina) increase in numbers and start to overtake the ‘good’ bacteria, causing inflammation in the vagina.
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How does metronidazole work?
Metronidazole works by killing anaerobic bacteria present …
This imbalance causes a change to the vaginal discharge, which then becomes smelly and greyish. However, half of women with bacterial vaginosis have no symptoms, in that case you do not need to treat the condition as it does not pose threat to your health.
Causes of bacterial vaginosis
The causes of bacterial vaginosis are not clear, but might include:
Using scented soaps or bubble baths
Having an intrauterine device (IUD)
Using vaginal deodorant
Bacterial vaginosis does not classify as an STI.
Bacterial vaginosis treatment
When you have bacterial vaginosis, you can use an antibiotic called metronidazole to threat your condition. 9 out of 10 patients experience good results with this treatment, however it is quite common for bacterial vaginosis to return after some time.
As with all antibiotics, is metronidazole may cause side effects. These include nausea and vomitting. You may not drink alcohol while you are taking metronidazole.
Treatment during pregnancy
Normally the use of antibiotics is not advised during pregnancy. Treatment of bacterial vaginosis however is advised as the potential risks to the foetus outweigh the risks of the antibiotics (according to the NHS).