What is infantile colic?
An infant with colic has episodes of crying or fussiness for more than three hours a day, and there is no evidence that the episodes are caused by a medical problem. Symptoms of colic usually peak at 6 weeks of age, and then gradually improve. Symptoms are usually gone by 3 months of age.

What are the symptoms of infantile colic?
The most common symptom of infantile colic is periods of crying that last for more than 3 hours per day. The episodes occur at least 3 times per week. In between episodes, the infant appears content and well. Infants with colic usually eat well and gain weight, despite the episodes of colic. Common symptoms of infantile colic include abdominal swelling, excessive gas, burping, excessive hunger, and episodes of crying that occur at consistent and predictable times.

How does the doctor treat infantile colic?
Treatment for infantile colic may include simethicone (Mylicon), switching to a soy-based formula, and avoiding large feedings.