Signs and symptoms of colic

You may be dealing with colic if:

your child cries continuously, stopping only when completely exhausted.
infant appears to be in great pain, yet there is no sign of injury or sickness.
baby's knees are pulled right up to its abdomen or its legs are held rigidly out. The stomach may be hard to the touch.
the child cannot be quieted with a feeding or a change of diapers.
despite the incessant crying, the child feeds well and is gaining weight.