The throat is so itchy, always want to cough, most often seen in laryngitis, bronchitis, asthma variant cough, laryngopharyngeal reflux and other diseases, need to go to the hospital after a clear diagnosis of the cause of the treatment, in order to alleviate. 1. Laryngitis is an inflammatory disease of the mucous membrane of the throat, which can trigger symptoms such as itchy throat, irritating cough, foreign body sensation in the throat and hoarseness. 2. Bronchitis is an inflammatory disease of the bronchial mucosa, which can manifest itself as tickling of the throat, irritating cough, coughing up phlegm and other symptoms, and in severe cases, chest tightness, shortness of breath and so on. 3. Asthmatic variant cough is an allergic disease that manifests itself as a tickling throat, irritating cough and other symptoms, and coughing attacks at night. 4. Laryngopharyngeal reflux is a gastroesophageal reflux caused by the throat symptoms, will be manifested as a foreign body sensation in the pharynx, dry throat, itchy throat, irritating cough and other symptoms. Once the symptoms of itchy throat and cough, it is recommended to go to the hospital ENT department in time, under the guidance of the doctor for further examination to clarify the cause of the standardized treatment.