Itchy throat when singing may be caused by hard vocalization, but it is not excluded that it is caused by laryngitis, chronic pharyngitis and so on. You should consult a doctor in time to find out the cause of the disease. 1. Excessive force: may be singing voice overly hard, the vocal folds vibrate too much; may also be a long time to sing, the mucous membrane of the throat is too dry, may lead to throat itching, want to cough, which is a normal physiological phenomenon. 2. Laryngitis: when suffering from laryngitis, singing and vocalizing cause local inflammation stimulation, so some patients will have the symptom of itchy throat when singing. 3. Chronic pharyngitis: If the patient has chronic pharyngitis of the laryngeal mucosa, when singing, due to the vocal folds of the vocal cords of the force and open and close may stimulate the inflammatory foci, aggravate the congestion and edema of the laryngeal mucosa, resulting in itching throat and coughing when singing. Singing throat itchy, there may be other reasons, if the exclusion of physiological reasons, should promptly consult a doctor to clarify the specific causes, if necessary, the appropriate treatment.