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Sexual and Reproductive Health

Bacterial vaginosis

Bacterial vaginosis (BV) is caused by an imbalance of the bacteria found in the vagina. BV is not spread through sexual activity, but it's more common in people who are sexually active.​

How do I get BV?

BV may be linked to having:

  • multiple sex partners 
  • a new sex partner
  • oral, vaginal, or anal sex without a condom​ or other barrier method​
BV may also be linked to douching. ​

How do I know I have BV?

You might not notice you have BV. Someone with BV may have:

  • foul or fishy smelling discharge from the vagina
  • itching or burning in the vagina
  • change in colour (e.g., gray, white, yellow) and amount of vaginal discharge

The best way to find out if you have BV is to get tested. Your nurse or doctor can test you by taking a swab from your vagina.

Is BV harmful?

BV can sometimes get better without treatment. Other times, BV can cause serious health problems.

BV increases your chances of getting a sexually transmitted infection (STI).

If you have a pelvic procedure (like an IUD insertion, abortion), BV can increase your risk of getting a pelvic infection.

What if I’m pregnant?

If you’re pregnant, BV can increase your risk of having a preterm delivery, miscarriage, or infection after delivery.

How is BV treated?

BV is treated with antibiotics. It’s important to follow the treatment directions and finish your medicine, even if your symptoms go away.

If your symptoms don’t go away or come back, see your nurse or doctor.​

Does my sexual partner(s) need to be treated if I have BV?

No. BV is not spread by sexual activity.

Where can I find more information?

If you have questions, need to find a clinic near you, or want more information, call Health Link at 811 anytime, day or night, to talk to a registered nurse.

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