Baby, breathe through your mouth. What happened?

Babies generally use their noses to breathe, but for some babies breathing with their mouths, it may be caused by the baby's nasal passages, or it may be caused by nasal congestion, nasal discharge and colds. It is recommended that parents first observe whether the baby has some other abnormal reactions. At the same time, parents can appropriately use some humidifiers indoors to increase the humidity of the air. It is better to slow down the nasal discharge and nasal congestion of the baby. However, for some babies, it may be due to the infection of the nasal mucosa. It must be treated systematically before it can be gradually recovered. It is recommended to observe first. In the case of long time recovery, Be sure to go to the hospital in time for treatment.