It is also very common for babies to have a cough again after they have recovered from pneumonia. There are two possibilities: 1. You can go to a regular hospital for examination if you are not sure. In either case, your baby should pay attention to his diet after he has recovered from pneumonia and is coughing again. It is recommended to eat light, nutritious soft foods, small and frequent meals, no spicy and stimulating foods, especially no sweets, and more vegetables and fruits, with appropriate vitamins. In good weather, you can take your baby to do more outdoor exercises to strengthen the baby’s resistance, but avoid going to crowded places to avoid cross-infection.