Overview
Infants instinctively cry to communicate hunger, thirst, discomfort, tiredness, or loneliness. However, excessive crying may suggest a disorder that requires treatment.
Review Date 10/22/2022
Updated by: Charles I. Schwartz MD, FAAP, Clinical Assistant Professor of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, General Pediatrician at PennCare for Kids, Phoenixville, PA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.