Pediatric feeding disorders, which are characterized by feeding difficulties that jeopardize long-term growth and nutrition, are common and may have an adverse impact on functional health outcomes. In many cases, feeding disorders stem from a combination of factors, which may include behavioral, developmental, and medical etiologies. Feeding disorders may also be the etiological root [Page 1447]of other disorders of nutrition. This entry first describes typical feeding development and then discusses the medical etiologies of and medical problems associated with feeding disorders; it concludes with a brief outline of recommended evaluation and treatment.