How to treat tongue coating a little blackened

Tongue coating has a little blackening is normally divided into physiological and pathological two categories, physiological is due to the patient in a state of high mental tension, or eat some black food, resulting in the coating. If this situation after a period of time, generally will ease. It is worth noting that traditional Chinese medicine that tongue coating blackening is often due to cold disease or heat disease caused. The western medicine believes that some diseases in the late stage will show the performance of black tongue coating, such as some tumors and uremia and some gastrointestinal system diseases, can also show the situation of black tongue coating. Therefore, if the tongue coating is black, symptomatic treatment should be carried out after finding the cause. If the color is black for a long time, it is necessary to be alert to pneumonia, nephritis, cholecystitis, etc., and pay attention to diet conditioning. Eat light and do not eat spicy and greasy food.