Itchy throat cough common diseases are chronic pharyngitis, reflux pharyngitis, upper respiratory tract infections, oral use of certain antihypertensive drugs, etc. can cause itchy throat cough. 1. Chronic pharyngitis: due to air pollution, contact with allergens and microbial infections and other factors after long-term stimulation of the formation of chronic inflammation, usually manifested as a dry and itchy throat and the airway is inflammatory state, the slightest discomfort in the throat will stimulate the airway and thus coughing. 2. Reflux pharyngitis: patients will have dry and itchy throat, cough and other symptoms, mainly due to the reflux of gastric juices and food irritation of the throat. 3. Allergic pharyngitis: when exposed to allergens, it will lead to respiratory tract infection symptoms, manifested as dry and itchy throat, cough and so on. 4. Oral consumption of certain antihypertensive drugs: hypertension patients oral consumption of some antihypertensive drugs, such as Benadryl, Captopril, etc., there will be a tickle in the throat, coughing and other adverse reactions, stopping the drug after the cough will gradually disappear. Itchy throat cough can not blindly self-medication, to the hospital in a timely manner, a clear cause of the standardized treatment, so as not to delay the condition.