Do you mean BV? as in Bacterial vaginosis? It is a evil little fucker, I have changed a few things in my diet and alternative medicine practise to not get it or thrush or any other nasty lady part problems. I find to much sex, toys or fingers can upset her, I drink 2 cartoons of cranberry juice a week as well as washing with special vagina wash (femfresh) I had it once and I have been so paranoid about getting it again, I use a tea tree wash extremely as well, which diluted in boiled water (gone cold) can be used to clean inside the vagina and help kill any nasties. Get some BV gel that will sort you out, no need for docs or pills if you catch it in time.