Damn you BV!!

I'm frikkin frustrated at this point. Pretty much every single time I have sex BV returns! I've already been treated twice this year, boyfriend was treated as well as a precaution, and I swear it's back. Prior to him I've never had bv before and it's almost a chronic issue for me now! Condom or no condom doesn't seem to make a difference. Anyone else fed up and found an effective solution please shed some light! One doctor recommended weekly vinegar douche to maintain acidity but I'm kinda reluctant given all the bad press douching has received over the years.