Physicians specializing in pediatrics work to diagnose and treat patients from infancy through adolescence. Pediatricians practice preventative medicine and also diagnose common childhood diseases, such as asthma, allergies, and croup.
They may work as a primary care pediatrician treating an array of ailments, or narrowing their scope of practice in one of the following subspecialties:
- Adolescent medicine
- Child abuse pediatrics
- Developmental-behavioral pediatrics
- Neonatal-perinatal medicine
- Pediatric cardiology
- Pediatric critical care medicine
- Pediatric endocrinology
- Pediatric gastroenterology
- Pediatric hematology-oncology
- Pediatric infectious diseases
- Pediatric nephrology
- Pediatric pulmonology
- Pediatric rheumatology
- Pediatric sports medicine
- Pediatric transplant hepatology
(definition from here)