ITCHY VAGINA AND BURNING??!!!

I have had the same sexual partner for a year and half and hes never had sex with anyone but me i got checked for everything when i got with him had a swab for a infection a week or so ago and got confirmed i have bacteria vaginosis was on antibiotics for that and now i have a burning sensation in my vagina and also its itchy and very dry inside there and hurts when i have sex??? Can anyone help ?!!!