Chronic laryngitis is a chronic inflammation of the mucous membrane of the larynx. Its causes are complex. More secondary to other parts of the body of the lesions that occur, can also be caused by germs. You need to know: 1, pharyngeal diseases: chronic tonsillitis, chronic pharyngitis can cause laryngitis. 2, nasal diseases: rhinitis, sinusitis may be the source of chronic irritation of the throat. 3, oral diseases; dental caries, the direct spread of inflammation from dental abscess spillage. 4, lung disease: bronchitis, lung abscess and other phlegm affecting the larynx. 5, Tobacco, alcohol, chemical gases and other stimuli. 6, too much pronunciation and improper pronunciation. So that the vocal cords inside and outside the tensor muscle excessive tension, the vocal cords friction each other too much. 7, systemic diseases: cirrhosis of the liver, diabetes, nephritis, thyroid disease, can make the larynx lesions. Symptoms: 1, the most important symptom is hoarseness, at first intermittent, gradually become permanent. 2.Discomfort and pain in the larynx. 3, often accompanied by cough. Treatment: 1, first find out the cause of the disease to be treated. Such as sinusitis or tonsillitis to give treatment. 2, quit smoking and alcohol. 3, occupational use of voice in the acute period to be prohibited. Chronic hoarseness, should consider vocal training. 4, local treatment of the larynx and available spray inhalation: such as antibiotics or add traditional Chinese medicine, such as white hair Xiaku Cao. 5.Oral medication can be used such as slow pharyngeal relaxation or golden voice pills. 6. Physical therapy or acupuncture can be considered. Vocal polyps or nodules that are large can be removed surgically. You need to see a doctor: 1. Generally, antibiotics are not necessary for chronic laryngitis. If the acute attack can consider using antibiotics. 2.Elderly patients with significant cough or fever should go to the hospital to prevent pneumonia or bronchitis. You should pay attention to: 1, first of all, remove the cause of the disease, improve the living environment. Prohibit voice or less speech. 2, occupational use of the voice, especially singers, chronic laryngitis, vocal fold hypertrophy, nodules should improve the vocal method; pronunciation of the neck, jaw, throat muscles to relax. The voice should not be “crowded” and the breath should be smooth. Special tips: Hoarseness in middle-aged and old people, who are not cured should be examined in detail to prevent laryngeal tumors and other lesions. If necessary, fiberoptic laryngoscopy or biopsy should be done.