The most common Infectious Diseases in Childhood are:

1) Bronchitis or chest cold
2) Ear Infections or Otitis media
3) Common Cold or upper respiratory tract infection
4) Sinus Infections or rhinosinusitis
5) Throat Infections
6) Digestive Tract Infections

Those can be treated by Paediatrician
Visit: https://www.skedoc.com/hyderabad/paediatrician