Itchy throat, always want to cough may be chronic laryngitis, asthma, reflux pharyngitis and other causes. 1. Chronic pharyngolaryngitis: chronic inflammation of the mucous membrane of the throat due to recurrent episodes of acute pharyngolaryngitis, postnasal drip syndrome caused by nasal inflammation and stimulation of undesirable physical and chemical factors may lead to the symptom of itchy throat and wanting to cough. 2. Asthma: patients may be in contact with allergens, such as dust mites, pollen and other allergies caused by asthma, usually manifested as symptoms of itchy throat and cough. 3. Reflux pharyngitis: stomach contents and stomach acid reflux from the stomach and esophagus to the pharynx, due to the stimulation of acid, resulting in patients with symptoms of itchy throat and cough. If there is a tickle in the throat, always want to cough, it is recommended to actively go to the hospital to find out the cause of the disease, under the guidance of the doctor, targeted treatment.