EW. HELP GIRLS

I'm a very clean girl. Shower everyday and use summers <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">eve</a>. Out of no where I got a nasty smells coming from down there 😩😫😖🙈  this was more than a month ago. I ate a lot of creek yogurt because I read online it's good. It smells like something is rotten. I don't even have sex often w my boyfriend thank god he lives in another state. Has anyone had this happen before ? When will it go away ??? What should I do !! I'm so desperate !! 😔😩