A pediatrician is involved in the diagnosis, treatment, and prevention of diseases in children.

He specializes in pediatric medicine and can treat a wide range of diseases, including:

- infectious diseases,

- respiratory problems,

- allergies,

- chronic diseases,

- problems with the digestive system,

- issues with growth and development,

- immune system issues and others.

A pediatrician also conducts regular check-ups of children, and also provides recommendations for a healthy lifestyle and managing child development.