What’s wrong with milk coming out of a newborn’s nose after he falls asleep?

Milk coming out of the newborn’s nose after falling asleep can be caused by eating too fast, gastroesophageal reflux, acute gastroenteritis and other reasons.
1. Eating too fast: improper feeding posture for newborns leads to the inability to control the speed of eating when newborns eat, which can lead to milk overflow after falling asleep, and the expression of milk coming out of the nose may occur due to reasons such as shutting up and sleeping.
2. Gastroesophageal reflux: the esophageal sphincter or gastrointestinal function of the newborn is not yet well developed, when eating and lying down to sleep, it is easy to trigger gastroesophageal reflux, resulting in spitting up, the esophagus is connected to the nasal cavity, and thus there can be a situation after falling asleep, milk out of the nose.
3. Acute gastroenteritis: the occurrence of bacterial viruses and other pathogenic infections, can lead to the emergence of acute gastroenteritis and other diseases, triggered by indigestion can be caused by the food in the gastrointestinal tract collection, nausea, vomiting, abdominal distension and other discomforts, but also after falling asleep, the nose out of the milk situation.
The newborn’s nose after falling asleep, there may be other reasons, it is recommended to go to the hospital, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.