Colic is excessive crying in a baby with no obvious cause. During these episodes, it is very hard to console the baby. This intense crying occurs regularly over at least a few weeks. It is more common during the night.

Colic can start as early as 2 weeks of age. It is the worst at 6 weeks. Colic often disappears by age 5 months.

The exact cause of colic is not known.

Colic-like crying can be caused by certain common problems. Your doctor will look for these issues.