Dry rales may occur when the inflammation is not completely eliminated, or when the patient is irritated by cold air or other causes. Whether or not dry rales occur during the recovery period of pneumonia is related to the patient’s physical condition, treatment plan, external factors, etc. It is not possible to generalize when the dry rales will disappear, and the recovery time will be different depending on the patient’s physical condition and treatment plan. The dry rumbling that occurs during the recovery period of pneumonia is mainly due to the inflammation has not fully recovered, or the trachea to the cold air and other causes of stimulation caused by the spasm of the trachea appeared symptoms. If you have dry rales during the recovery period of pneumonia, it is recommended that you consult a doctor to find out the cause of the rales and follow the doctor’s instructions for active treatment.