Loss of voice is caused by different reasons, different diseases, different treatments, only suitable for their own conditions in order to achieve a speedy recovery. Loss of voice can be caused by vocal cord edema, inflammation and nodules, which can be treated with medication and surgery. 1. Vocal cord edema: Vocal cord edema may cause the vocal cords not to vibrate well, resulting in loss of voice. Mostly caused by excessive use of voice, you can contain gold throat tablets or grass coral and other drugs to ease, if it is caused by bacterial infection and inflammation, you can take cefaclor and azithromycin under the guidance of the doctor and other drugs to treat. 2. Inflammation of the vocal cords: inflammation of the vocal cords can also lead to hoarseness, can cause edema of the vocal cords, thus appearing voice loss, this time generally can be infected by the type of antibiotics or antiviral drugs for treatment, such as amoxicillin and acyclovir and so on. 3. Vocal cord nodules: Vocal cord nodules may also lead to loss of voice, at this time if the vocal cord nodules obvious and dense nodules, under the guidance of the doctor to adopt surgical treatment, the use of support laryngoscopy and other instruments to remove the nodules. If there is a loss of voice and the situation is not relieved for a long time, you should go to the hospital in time to avoid delaying the condition.