May be due to stone in your urinary system associated with urinary tract infection...get an ultrasound abdomen done...Drink plenty of water. Water helps to dilute your urine and flush out bacteria....Avoid drinks that may irritate your bladder.... Avoid coffee, alcohol, and soft drinks containing citrus juices or caffeine until your infection has cleared. They can irritate your bladder and tend to aggravate your frequent or urgent need to urinate....if no improvements Consult nearest physician they will help you further..