Hello, my daughter is 2 years old, she has chronic constipaion. SHe does pass stools every day but stool is dry pellete type only, rarely she passes normal stool. She dosent have any pain or problem in passing the stool. She drinks less water but eats proper lunch and dinner. She has 4 5 times of milk intake. She loves curd. We have already done abdominal ultrasound and thyroid report which were normal. What elsw can cause such constipation? Also there is history of constipation in family too