Dry and itchy throat can not be relieved by drinking water, you may suffer from chronic pharyngitis, chronic tonsillitis, reflux pharyngitis and so on. 1. Chronic pharyngitis: can lead to chronic inflammation of the mucous membrane of the throat. It manifests itself in various discomforts of the pharynx such as dry throat, itchy throat, foreign body sensation, burning sensation and other symptoms, which need to quit smoking and alcohol, improve the working and living environment, and treat chronic inflammation of the nose and nasopharynx. So just drinking water can’t solve it. 2. Chronic tonsillitis: repeated episodes of acute tonsillitis can be transformed into chronic, can also be secondary to infectious diseases. It is characterized by dry throat, itchy throat, irritating cough and other symptoms. Repeated attacks of tonsillitis require surgical treatment, so only drinking water can not be solved. 3. Reflux pharyngitis: gastric contents reflux to the throat, stimulate the mucous membrane of the throat, causing dry and itchy throat, need to apply acid-suppressing and gastrointestinal dynamics medication, such as omeprazole, moxapride hydrochloride, etc., and drinking water can not be relieved. Drinking water can not relieve the dry itchy throat, there may be other causes, it is recommended that the patient timely medical examination, clear causes, and actively cooperate with the doctor line system standardized treatment.