Suggest Treatment For Frequent Urination And Excessive Crying In A Child

Age : 36yrs, ht : 5.4, wt: 60, normal delivery, working. previous miscarriage at 35, 3rd month of pregnancy My baby girl is 40 days old, Wt at birth 3.3 kg she cries a lot before passing urine specially after 6.00 in the evening till she sleeps at 10.00. Other part of the day she is normal. Its very difficult to handle during this 4 hours she continuously cries and demands for milk and at the same time she continuously urinates. Once she sleeps after 10.00 then there is no problem till morning as she is breast feeded every time she urinates, generally in a gap of 2 to 3 hours till morning.