4-year-old child coughs in the middle of the night every day, and early in the morning when he feels a gas coming up, he coughs What’s wrong with him?

4-year-old child cough in the middle of the night every day, early in the morning to feel a gas up on the cough, mostly due to environmental factors, gastroesophageal reflux, post-nasal drip syndrome.
1. Environmental factors: may be due to the child’s sleep environment in a large number of pollen, dust, irritating odors, or indoor environment is too dry, can easily lead to respiratory sensitivity, thus causing midnight cough and early morning cough.
2. Gastroesophageal reflux (GERD): It is mainly due to the reflux of gastric contents into the esophagus while the child is sleeping, which causes local irritation resulting in nocturnal cough and morning cough, which may be accompanied by stomach acidity, loss of appetite and other symptoms.
3. Postnasal drip syndrome: often caused by nasopharyngeal diseases, such as rhinitis, sinusitis, etc., secretions because of the backflow to the postnasal pharyngeal area, which causes coughing, and because of the nighttime sleep in the lying position, it is more likely to cause this symptom.
4-year-old child every day in the middle of the night are coughing, early in the morning feel a gas up cough, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.