The common causes of hoarseness are vocal cord polyps, vocal cord nodules, chronic laryngitis, acute laryngitis, benign and malignant tumors of the larynx, vocal cord cysts, vocal cord paralysis, etc. 1, vocal cord polyps, vocal cord nodules, chronic laryngitis: patients mostly have excessive pronunciation, such as prolonged speech, loud shouting, prolonged crying history, or useful voice improper, habitual throat clearing, often stimulated by tobacco and alcohol history, chronic laryngitis and early vocal cord nodules pronunciation abnormalities are mostly intermittent, vocalization a little longer after the hoarseness, when the vocal cord lesions are obvious, can also appear persistent hoarseness, and vocal cord Vocal fold lesions can also be persistent, while vocal fold nodules and vocal fold polyps are mostly persistent hoarseness.
The first central hospital of Tianjin otolaryngology head and neck surgery department Du Jianqun 2, acute pharyngitis: short history, accompanied by sore throat, swallowing pain, after a cold and fever, may be acute pharyngitis. Severe laryngeal pain that does not heal for a long time, also consider the possibility of laryngeal nodules or malignant tumors. 3.Malignant tumor of larynx: muffled voice, even piercing ear, accompanied by laryngeal obstruction, cough, blood in sputum, accompanied by neck mass, older patients should be alert to the possibility of laryngeal cancer. 4.Benign tumor of the larynx: mostly manifested as persistent hoarseness. 5.Vocal cord paralysis: Hoarseness can also occur. It is mainly mute and harsh. 5. Hysterical hoarseness: sudden loss of voice, or low whispering, but laughing and coughing can be completely normal, which may be hysterical hoarseness. In this case, laryngoscopy shows abnormal vocal fold inversion, but after coughing, the vocal fold can be normal inversion. 6. Trauma: including dislocation of the cricoarytenoid joint and physicochemical injury to the larynx can lead to hoarseness.