#AskTheExpert my daughter is 3.5 month old she don't take breast milk she is on cow milk and formula wen can we start solid

A. For babies who are exclusively breast-fed, waiting until age 6 months before introducing solid food can help ensure that they get the full health benefits of breast-feeding. Starting solids too early — before age 4 months — might: Pose a risk of food being sucked into the airway (aspiration)