###Human: What causes frequent urination? ###Assistant: Hi. Are you having diabetes? If sugar is high in blood, this complaint will be there. If the prostate is enlarged and inflammation of the prostate is there, then urination will be uncontrolled. Go for the following test: 1. Blood sugar fasting and post-prandial. 2. Urine analysis and culture and sensitivity. 3. Ultrasound abdomen to rule out enlarged prostate.