What causes a baby to spit up while nursing?

Patient's question:

Patient is male, 43-day-old infant, coughing and spitting up milk

Doctor's answer:

Hello, the child's symptoms are related to their physiology. It is recommended to wait and see how the treatment goes.
Oral, metoclopramide, for treatment. If there are no other symptoms, then it is not a major problem.
The child is affected by neonatal diseases, so the mother must take the child to the hospital for timely medical treatment to avoid various misunderstandings. It is important to treat the symptoms promptly. For parents, it is necessary to provide the child with enough care and attention and to do everything possible to help the child receive timely medical treatment for the illness.