my 6 month baby got fever 2 days because of not digestion. I feed formula milk and semi solid food. she cried while she pooping.very hard and gas problem. what I do and give food her doctor

A. Once solid foods are introduced into your baby's diet, his poop is going to change. ... Too much of any of these, especially cereal, could cause constipation in your baby. Try to add some veggies or fruits in baby food preparation to soften stool and easy to evacuate. give some water after meal