I need advice on sweating and the smell

Back in sept or Oct of last year I had a gyno appt, and during said appt she asked me if I had anything going on. I told her that I noticed a smell, she prescribed me a weeks worth of antibiotics but it didn’t help, but my results came back normal. It seems to get worse the more I sweat down there.. is there any probiotic I can use? I use lumi but it’s just expensive