Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. Urinary tract infection is the most common cause , Kindly get a urine routine and urine culture. Urinary stones in urinary system with your age we need to assess your prostate by ultrasound and serum PSA level which will let us know any lower urinary tract symptoms related to enlarged prostate or any other issues. Evaluation of prostate is most important in your case. Hope I have answered your query. Let me know if I can assist you further.