Pregnant women in the third trimester of pregnancy dry cough need to take measures to clarify the cause of the disease, inhalation of irritating gases caused by a transient dry cough can be relieved after avoiding contact with the disease caused by dry cough can be selected according to the disease nebulization, oral medication and other treatments. There are many diseases that cause dry cough, which may also occur during pregnancy. Upper respiratory tract infections, laryngitis, pharyngolaryngitis, tuberculosis, allergic rhinitis, etc., may cause dry cough. Before the cause of the disease is clearly defined, it is usually not recommended to use cough suppressants to calm the cough in order to prevent affecting the diagnosis. Upper respiratory tract infection is a common cause of dry cough, usually do not need special treatment, you can drink plenty of water, nebulizer, etc. to relieve the discomfort of dry and itchy throat in order to reduce the dry cough. Other diseases occurring during pregnancy need to be treated with methods that have little effect on the fetus. It is recommended that when a dry cough occurs and cannot be relieved for a long period of time, it is necessary to consult a doctor in a timely manner, and not to blindly self-medicate to avoid adverse effects.