Many parents can find caring for an infant with colic challenging.
The following website from the American Academy of Pediatrics and HealthyChildren.org has practical advice for caring for a colicky baby.
If you are caring for an infant whose crying intensifies, or lasts over a few hours, s/he should be seen by a health care provider to determine that another condition is causing the crying.
The HealthyChildren.org website link is at:
http://www.healthychildren.org/English/ages-stages/baby/crying-colic/pages/Colic.aspx