Key Points
Infantile colic is characterized by inconsolable crying occurring ≥ 3 hours per day and ≥ 3 days per week.
Crying bouts begin in the second week, peak at 6 weeks, and usually resolve by 4 months of age.
Crying bouts are more common in the evening hours.
The exact cause of colic is not known.
Other causes for excessive crying should be ruled out before diagnosing infantile colic.
Management involves education of parents and supportive care.
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