The tastelessness of the mouth can be seen in psychological factors, oral inflammation or other systemic diseases, corresponding to the use of oral antibiotics or antiviral drugs. 1. Psychological factors: tastelessness may be caused by psychological factors, too much tension in the heart, tired or depressed mood will appear tastelessness, loss of appetite, general psychological guidance can be, if necessary, you can take glutamine, alprazolam and other drugs. 2. Oral inflammation: when there is inflammation of the oral cavity, such as lingual inflammation or oral ulcers, swollen and raised tongue papillae, ulcer surface pain, can cause blandness and tastelessness, medication can be oral antibiotic amoxicillin anti-inflammatory, topical cidadex iodine tablets to promote the healing of the ulcer surface. 3. Systemic diseases: viral infections, caused by colds or bacterial infections caused by gastritis and other systemic diseases can also cause the manifestation of tastelessness, corresponding to the use of antiviral drugs oseltamivir, bacterial gastritis can take levofloxacin tablets for treatment. The use of drugs for tastelessness should first go to the hospital to identify the cause of the disease and then follow the doctor’s instructions to use drugs.