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Bacterial vaginosis (BV) is a common cause of unusual vaginal discharge. BV is not a sexually transmitted infection (STI), but it can increase your risk of getting an STI such as chlamydia.
Symptoms of bacterial vaginosis include:
Half of women with bacterial vaginosis do not have any symptoms.
Bacterial vaginosis does not usually cause any soreness or itching.
If you're unsure it's BV, check for other causes of unusual vaginal discharge.
The condition is not usually serious, but you'll need to be treated with antibiotics if you do have it.
It's also important to seek treatment if you're pregnant as there's a small chance it can cause complications with pregnancy.
Sexual health clinics treat problems with the genitals and urinary system.
Many sexual health clinics offer a walk-in service, where you do not need an appointment.
They'll often get test results quicker than GP surgeries.
If you have symptoms of bacterial vaginosis, a GP or sexual health clinic will want to confirm it is bacterial vaginosis and rule out an STI.
You'll be asked about your symptoms, and a doctor or nurse may look at your vagina.
A cotton bud may be wiped over the discharge inside your vagina to test for bacterial vaginosis and other infections.
Bacterial vaginosis is usually treated with antibiotic tablets or gels or creams.
These are prescribed by a GP or sexual health clinic.
If you have a same-sex partner, they may also need treatment.
It's common for bacterial vaginosis to come back, usually within a few months. If it comes back, you'll usually be given more antibiotics to treat it.
If you keep getting it (you get it more than 4 times in a year), you may be given an antibiotic gel that you put in your vagina. You may need to use this for a few months to help stop bacterial vaginosis coming back.
A GP or sexual health clinic will recommend how long you need to treat it.
They can also help identify if something is triggering your bacterial vaginosis, such as sex or your period.
There are things you can do to help relieve symptoms and prevent bacterial vaginosis returning.
use water and plain soap to wash your genital area
have showers instead of baths
do not use perfumed soaps, bubble bath, shampoo or shower gel in the bath
do not use vaginal deodorants, washes or douches
do not put antiseptic liquids in the bath
do not use strong detergents to wash your underwear
do not smoke
Bacterial vaginosis is caused by a change in the natural balance of bacteria in your vagina.
What causes this to happen is not fully known, but you're more likely to get it if:
Bacterial vaginosis is not an STI, even though it can be triggered by sex.
A woman can pass it to another woman during sex.
You're more likely to get an STI if you have bacterial vaginosis. This may be because it makes your vagina less acidic and reduces your natural defences against infection.
If you develop bacterial vaginosis in pregnancy, there's a small chance of complications, such as premature birth or miscarriage.
But bacterial vaginosis causes no problems in the majority of pregnancies.
Speak to a GP or your midwife if you're pregnant and your vaginal discharge changes.
