Dry mouth and throat need to be treated according to the cause, you can take anti-inflammatory drugs, lowering sugar treatment and hydration. 1. If there is a dry mouth and tongue may be acute inflammation of the throat, caused by bacterial or viral infection, the antibiotics available are amoxicillin, ofloxacin and erythromycin, etc., it is best to use sensitive antibiotics after clarification of which bacteria or virus. 2. Diabetes mellitus urine sugar will take away a lot of water, so should lower sugar treatment, such as pumping insulin, oral metformin, etc., specifically follow the doctor’s instructions for medication, uremia should be rehydration, drinking water, etc., according to the doctor’s orders of glucose solution or saline drip. 3. In addition, after taking cholinergic drugs such as atropine and radiation therapy for head and face tumors, the mouth will also be dry, atropine drugs should be stopped in time, and radiotherapy patients need to drink more water or rehydration solution. Dry mouth and throat with underlying diseases should be taken seriously, and relevant examinations should be completed in the hospital, and the use of medicines should be in accordance with the doctor’s instructions.