Nine-month-old babies spitting up can be caused by physiological factors, but also may be caused by gastroesophageal reflux disease, pancreatic dystrophy and other pathologic factors, you should consult a doctor to find out the cause of the disease.
1. Physiological factors: nine-month-old babies’ digestive system development is not yet perfect, the lower esophageal sphincter immaturity and poor neuromuscular coordination often cause gastroesophageal reflux, and swallowing too much air when sucking on the milk can cause spitting up. In addition, improper feeding, feeding too much milk at a time, resulting in indigestion, can also cause spitting up.
2. Gastroesophageal Reflux Disease (GERD): Dysfunction of the lower esophageal sphincter and abnormalities in the tissue structure related to its function, resulting in low pressure in the lower esophageal sphincter and reflux, can also cause spitting up of milk in nine-month-old babies. It often occurs during sleep, lying on the back, and fasting.
3. cardia dystrophy: neuromuscular dysfunction of the cardia of the esophagus, causing the lower esophageal sphincter relaxation incomplete, food retention, inducing cardia spasm, can also cause nine-month-old babies spit up.
Nine-month-old babies spit up, there may be other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.