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Understanding Colic -- the Basics

What Is Colic?

About 20% of all infants suffer from colic -- spates of crying that go on for hours for no apparent reason. Colic typically begins at about 2 to 3 weeks of age and reaches its peak at 2 months. Although distressing for the child and exhausting and emotionally draining for parents, the condition itself is benign and usually ends by the time a child is 4 months old.

What Causes Colic?

The cause of colic is not known. Experts attribute it to any number of things, including an infant's immature digestive system, allergies, and -- probably most importantly -- the particular temperament of the infant.

WebMD Medical Reference

Reviewed by Charlene H. Beard, MD on March 13, 2012

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