#asktheexpert my 7 month old is cranky all the time

A. A common cause of fussy, colic-like symptoms in babies is foremilk-hindmilk imbalance (also called oversupply syndrome, too much milk, etc.) and/or forceful let-down. Other causes of fussiness in babies include diaper rash, thrush, food sensitivities, nipple confusion, low milk supply, etc.