A child’s just cough is usually associated with conditions such as choking, respiratory infections, and allergic coughs. 1. Choking: If your child is drinking or eating, which causes liquid or food to be accidentally inhaled into the airway, your child may have a cough only. 2. Respiratory infections: A child’s cough can also be caused by acute laryngitis, bronchitis and other respiratory infections caused by bacteria, viruses and other infections. 3. Allergic cough: If your child is allergic, he or she may develop an allergic cough, which usually manifests itself as a cough. There may be other reasons for a child to cough, so it is recommended to go to the hospital in time, complete the examination and give targeted treatment or therapy with the help of the doctor.