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What happens if BV keeps coming back?

Author

Sarah Thomas

Updated on August 05, 2026

What happens if BV keeps coming back?

BV can increase your risk of contracting pelvic inflammatory disease (PID) as well as sexually transmitted infections (STIs) such as HIV. If you’re pregnant, BV can trigger preterm labor, among other complications.

What causes recurring BV infections?

BV is linked to an imbalance of “good” and “harmful” bacteria that are normally found in a woman’s vagina. Having a new sex partner or multiple sex partners, as well as douching, can upset the balance of bacteria in the vagina. This places a woman at increased risk for getting BV.

What if BV doesn’t go away with antibiotics?

BV may return if you did not complete your course of antibiotics. However, even if you have completed a full course of antibiotics, BV returns within three months in many women. If it does come back, a repeat course of antibiotics will usually be successful.

Why do I get BV every month?

BV is very common and results from a change in the bacterial flora in the vagina. It is sometimes hard to treat, as 30% of women who get better after treatment will get BV again within three months, and more than 50% of women will have BV again within 12 months.

Can BV be cured permanently?

Yes, BV is usually curable with prescription antibiotics that can help readjust the balance of bacteria in the vagina. Although some over-the-counter vaginal medications are sold, these are not effective for curing BV. Currently, only prescribed antibiotics are effective.

How do you know when BV is clearing up?

Bacterial vaginosis usually clears up in 2 or 3 days with antibiotics, but treatment goes on for 7 days. Do not stop using your medicine just because your symptoms are better. Be sure to take the full course of antibiotics. Antibiotics usually work well and have few side effects.

How do you treat chronic BV?

Bacterial vaginosis (BV) is a common but treatable condition, with a number of effective available treatments, including oral and intravaginal metronidazole and clindamycin and oral tinidazole. However, as many as 50% of women with BV experience recurrence within 1 year of treatment for incident disease.

Does BV ever fully go away?

Bacterial vaginosis often clears up on its own. But in some women it doesn’t go away on its own. And for many women it comes back after it has cleared up. Antibiotic treatment works for some women but not others.

How do I know if metronidazole is working?

For some of the infections that metronidazole is used for, you may only begin to notice an improvement after a week. When using the cream or gel to treat rosacea, you may have to wait a few weeks before you see any improvement. It’s very important that you keep taking metronidazole until the course is finished.

How do I stop getting BV?

Steps that might lower your risk of BV include:

  1. Keeping your vaginal bacteria balanced. Use warm water only to clean the outside of your vagina.
  2. Not douching. Douching upsets the balance of good and harmful bacteria in your vagina.
  3. Not having sex.
  4. Limiting your number of sex partners.