Pediatricians are specialists who focus on the physical, emotional and social health of neonates, infants, children, adolescents and young adults. This specialty deals with health promotion and prevention, and the detection and management of physical, behavioural, developmental, mental/emotional, environmental and social problems that affect children.
Internal medicine is a broad-based specialty that has its roots in primary care and is dedicated to providing primary and specialty care to adults. Internists diagnose and manage diseases involving any of the organ systems and are specially trained to manage seriously ill patients suffering from advanced illness and/or diseases of more than one system.
Internists provide care in an office setting, in hospitals and on a continuing ambulatory basis. They tend to the general medical needs of their patients in the office, including disease prevention, early detection of disease, screening, patient education and follow-up care from hospitalization.
(Sources: Pathway Evaluation Program, American College of Osteopathic Internists & the Canadian Medical Residency Guide)