My son is of 2 years 3 months old. Since last 2 months he is doing potty quite frequently in a day in very very small quantity. He is doing it 7/8 time or sometimes 10/12 times in a day in very very small quantifies sometimes it's even don't come outside. Not sure what to do Drinking water regularly Half liter milk in a day Chapati Banana and apple in a day Any treatment suggestions???