Physicians specializing in pediatrics work to diagnose and treat patients from infancy through adolescence 0-18 years of age ) . 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 o subspecialties lie allergy and immunology, gastroenterology, endocrinology, neonatology etc.