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STD Series
BC HealthFile #08g, October 2004

Bacterial Vaginosis (BV)



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What is bacterial vaginosis?

Bacterial vaginosis (BV) is a common mild imbalance of bacteria or germs in the vagina. The vagina normally contains a lot of good bacteria, as well as some other types of bacteria. Too many of the other types can cause BV.

To find out if you have BV, you must be examined by doctor or nurse and have tests taken of your vaginal fluid.

What are the symptoms?

If you have bacterial vaginosis, you may not have any symptoms. You may notice a change in the fluid from your vagina, including a change in the colour or odour of the fluid. This fluid may change to shades of grey. It may also have a fish-like odour.

While BV is more common in women who are sexually active, it can occur in women who are not sexually active. It is not usually spread between sexual partners.

What is the treatment?

Women who have BV that is not causing symptoms usually are not treated. The condition tends to go away without medication. When there are symptoms, your doctor may prescribe treatment so the infection does not spread into the fallopian tubes and cause more serious infections.

BV is treated with specific antibiotic medications. Your doctor may prescribe them as either a medication cream that is inserted into the vagina, or as pills taken by mouth. Only medications taken by mouth are used to treat pregnant women.

It is not necessary for your sexual partner(s) to be treated.

Should I be tested for other sexually transmitted diseases (STDs)?

If you have different sexual partners, or if your partner has different partners, you should also be tested for other STDs including gonorrhea, chlamydia, syphilis and HIV (the virus linked to AIDS). You should also consider getting vaccine shots to prevent hepatitis B infection.

Please remember: The more sexual partners you have, the higher your risk of getting a STD.

Birth control pills

Birth control pills may not work very well when you are taking some antibiotic medicines. Keep taking your birth control pills while taking any medication, and also use a second form of birth control, such as a condom, until your next period after completing the antibiotics.

Ways to reduce your risk of getting a sexually transmitted disease

Important facts about condoms

Putting on a male condom

Putting on a female condom

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