TCM Syndrome Differentiation of Black Tongue Coating

Black tongue coating is mainly caused by excessive cold, extreme heat, blood stasis and so on. It needs to be treated carefully according to syndrome differentiation. Different syndrome types are manifested as cold evil, excessive heat, blood stasis and other symptoms. Black tongue coating caused by excessive cold is mostly caused by exogenous cold pathogen, or excessive food and cold, or abdominal cold, etc., resulting in cold pathogen straight to middle Shaoyin, kidney yin cold is too abundant, cold water invasion, black tongue coating. Black tongue coating caused by excessive cold is often accompanied by cold intolerance, abdominal pain, diarrhea, deep pulse and other symptoms. Black tongue coating caused by extreme heat is mostly caused by exogenous heat, or excessive eating of spicy and warm tonic products, or excessive emotion, resulting in excessive heat, deep into Ying blood, or excessive yin deficiency fire, deficiency fire inflammation, black tongue coating. Black tongue coating caused by extreme heat is often accompanied by high fever, thirst, cold drink, constipation, red pulse rate and other symptoms. The black tongue coating caused by blood stasis is mostly caused by trauma, surgery, emotional internal injuries, etc., resulting in internal blood stasis, or due to prolonged illness entering the collaterals, blood stasis, and black tongue coating. The black tongue coating caused by blood stasis is often accompanied by pain. Symptoms such as prickling, immobility, skin nail dislocation, and thin and astringent pulse. In short, black tongue coating is a serious disease, may indicate that there is a serious disease inside the body, need to seek medical attention in time, clear the cause, in order to carry out targeted treatment.