Bladder pressure pain. That comes daily!

Few months before I found I hv urgue to pee I get some puss cells in urine nd doctor gives me antibiotics symptoms were not going even not the puss cells they remain 6-7 in nmbr I took medication for 2-3 months after that I had urine culture nd that was negative after that I had ultrasound which was also normal but my symptoms are still there urgue to pee nd pressure like pain in bladder the pressure like pain is constant symptoms more than 15 16 hours a day but there is one more symptom that comes after so many days that is a sensational bad thing in deep inside vagina a very bad sensational feeling cant describe its not on the skin but its deep inside . it feels like when we pass urine nd suddenly stop nd getting ache that kind of ache I got but that is constant nd remain mant hours but this symptom fir now comw after few days but the bladder pressure pain is constant that comes daily