This department deals that deals with the medical care of infants, children and adolescents, and the age limit usually ranges from birth up to 14 years of age.
Children require a specialised branch as their body sizes are different and are characterised by maturational changes. The smaller body of an infant or neonate is substantially different physiologically from that of an adult. Congenital defects, genetic variance, and developmental issues are of greater concern to pediatricians than they often are to adult physicians. A common adage is that children are not simply “little adults”. The clinician must take into account the immature physiology of the infant or child when considering symptoms, prescribing medications, and diagnosing illnesses.