When should a parent visit a paediatrician or ENT surgeon for the issue of mouth breathing?

When should a parent visit a paediatrician or ENT surgeon for the issue of mouth breathing?

In this video, Dr Cyril Dsouza will tell the parents when to take their babies to the paediatrician or ENT surgeon especially in case of babies suffering from prolonged mouth breathing and nsal congestion. He will also explain the respiration rate of babies in comparison with adults.