Itchy throat and cough has been bad, may be chronic pharyngitis, allergic pharyngitis, reflux pharyngitis and other causes. 1. Chronic pharyngitis: chronic inflammation of the mucous membrane and submucosa of the pharynx, related to acute pharyngitis repeated episodes, undesirable physical and chemical factors stimulation and other etiological factors, can lead to dry throat, itchy throat, coughing, pharyngeal foreign body sensation, and other symptoms persist, has not been good. 2. Allergic pharyngitis: it is a symptom caused by allergen stimulation, which may be caused by frequent contact with allergens, such as pollen, dust mites, irritating odors and so on, which leads to recurrence of the condition, thus causing this symptom. 3. Reflux laryngitis: the symptoms are caused by stomach acid reflux due to more acid secretion and insufficient stomach power, which causes irritation to the throat. If you have an itchy throat and cough that is not good enough, you need to consult a doctor in a timely manner and have a systematic examination to find out the cause of the cough and then target treatment.