No sense of taste may be related to local infections, consumption of spicy and stimulating foods, nerve damage or micronutrient deficiencies. 1. Local infections are a major cause of loss of taste, such as upper respiratory tract infections, loss of taste when the body has a cold or fever, and the sense of taste can be restored on its own after the cold has healed. 2. Consumption of spicy and stimulating food or too hot food can also cause a temporary loss of taste, but can be restored on its own. 3. Lack of taste may also be related to damage to the central nervous system, which needs to be examined by the neurology department of the hospital. 4. Micronutrient deficiencies can also cause loss of taste and require micronutrient testing. The lack of taste can also be caused by other reasons, you need to go to the neurology department in a timely manner, and follow the doctor’s instructions for treatment.