Level 1: What are the causes of babies’ cough? Coughing in babies is a common symptom and can be caused by a variety of reasons. Common causes include respiratory infectious diseases such as colds, flu, asthma, pneumonia, and bronchitis; allergic diseases such as allergic rhinitis and allergic asthma; structural problems such as heart and lung malformations; and digestive problems such as gastroesophageal reflux. . Understanding the causes of your baby\’s cough allows for better prevention and treatment. Level 2: How to relieve baby’s cough? for different reasons