Itchy throat and cough without phlegm may be caused by allergic pharyngitis, reflux pharyngitis, cough variant asthma, etc., which can be treated by taking anti-allergy medicine, acid-suppressing medicine, antihistamine, etc. respectively. 1. Allergic pharyngitis: The patient’s allergic cough is induced by contact with, for example, pollen, house dust, dust mites, animal fur, cockroaches and so on. This causes the symptoms of itchy throat and cough without phlegm. It can be relieved by taking anti-allergy drugs such as cetirizine and loratadine. 2. Reflux pharyngitis: patients due to high sugar diet, Helicobacter pylori infection can lead to excessive secretion of gastric acid or abnormal secretion, through the reflux caused by local inflammation, resulting in reflux pharyngitis. Symptoms such as itchy throat and cough without phlegm appear. By taking acid-suppressing drugs, including combined treatment, such as omeprazole, pantoprazole and other drugs to control the irritating factors and relieve symptoms. 3. Cough variant asthma: patients due to inhalation of irritating odors, cold air, after strenuous exercise and respiratory tract infections induced by the disease, with a long-term itchy throat and dry cough, not accompanied by coughing sputum. The disease can be controlled by taking antihistamines, such as montelukast, zalustat and other drugs and local medications. If you have an itchy throat and cough without phlegm, it is recommended that you go to the hospital in time to find out the cause of the disease and take medication under the guidance of the doctor for targeted treatment.