My boyfriend & I regularly have sex. (at least once a day) & for about two weeks now, every time we have sex, I pee afterwards & it burns so bad, to the point of tears. I thought maybe I had a UTI so I went to the OB-GYN & she proved that right & gave me some meds for UTI & I've been taking them for about a week and a half now & sex still hurts. What is happening??? any tips?