Chronic crying, or colic, is more common in newborns than people might think, and can be very challenging for parents to treat. The reason for colic in babies can be hard to identify, according to Web MD, although physicians state that some of the leading causes include gas, acid reflux or allergic reactions to dairy. More serious causes include medical conditions or illnesses, such as an ear infection. Once a parent has eliminated one of the above mentioned causes, he or she may want to consider using natural approaches or supplements to treat the colic. Some of the following all-natural approaches offer healthy alternatives to pharmaceutical medications when soothing a colicky baby.