Is It Me or Does She Smell Like Vinegar?

had unprotected oral sex in February 2019. I started to smell a distinct odor (none fishy, but almost sour) in the next couple of days I suspected it was BV, given that I’m prone to having them. I contacted my Gynecologist who prescribed me Metronidazole for 14 days. I took as I was instructed, yet a slight vinegar... show more had unprotected oral sex in February 2019. I started to smell a distinct odor (none fishy, but almost sour) in the next couple of days I suspected it was BV, given that I’m prone to having them. I contacted my Gynecologist who prescribed me Metronidazole for 14 days. I took as I was instructed, yet a slight vinegar odor has remained. At this point I’m assuming it’s my diet, I already have HSV2 and hoping it’s not another STD or STI. Has anyone experienced this? What could it be if not my diet?