I'm having problems with my ankles swelling and frequent urination?

Check kidneys.: At first read, this could be a kidney issue. You should have a urine test for protein and creatinine. You should also have blood testing for BUN, creatinine, albumin, liver functions, thyroid functions, anemia and markers of inflammatory conditions. As well, a 2D Echo for heart function and abdominal ultrasound. You need a doctor's visit.

Fluid retention: Edema of the ankles has several possible causes such as simple fluid retention from hormonal factors,excess salt intake,prolonged sitting, varicose veins,heart,kidney,liver disease,certain medications,etc.You may have to be examined by a physician for diagnosis and advice..