How long can BV last if left untreated?

Can Bacterial Vaginosis Go Away on Its Own?

It's a common question: How long can bacterial vaginosis (BV) last if left untreated? The short answer is—it varies. Some women may find that BV clears up on its own within about two weeks, especially if their body manages to rebalance the vaginal bacteria naturally. But while it’s technically possible for BV to resolve without treatment, waiting it out isn’t always the best strategy.

BV occurs when there’s an imbalance in the natural bacteria in the vagina, often leading to symptoms like unusual discharge, a fishy odor, and sometimes itching or discomfort. Even if symptoms seem mild or disappear temporarily, untreated BV can linger or return. And here’s the real concern: recurring BV isn’t just inconvenient—it can increase the risk of other infections, including sexually transmitted infections, and, in some cases, complications during pregnancy.

Some women may think, “If it might go away anyway, why treat it?” But the truth is, leaving BV untreated means prolonging potentially unpleasant symptoms and risking long-term imbalance. Plus, what feels like a resolution might just be a temporary lull before the symptoms come back stronger.

While BV isn’t classified as a sexually transmitted infection, sexual activity can influence its development. Still, it can affect anyone with a vagina, regardless of sexual history. The best approach? Don’t wait it out. If you suspect BV, seeing a healthcare provider for proper diagnosis and treatment—usually a course of antibiotics—can clear it up faster and help prevent recurrence.

In short, BV might go away on its own, but it’s not a reliable or safe bet. Treating it promptly leads to quicker relief and better long-term vaginal health.