Blackened tongue with grayish-black moss can be seen in febrile diseases and also in cold-dampness diseases. It is necessary to use medicine according to the specific manifestations, such as Bai Hu Tang.
Light black moss is called gray moss; dark gray moss is called black moss. Gray moss and black moss is only the difference between light and dark color, so it is often called gray and black moss. The distribution of gray and black moss, in the human character boundary groove near the moss black deeper, the closer to the tip of the tongue, gray and black gradually light. Gray and black moss can be seen in heat diseases, but also in cold and damp diseases.
The heat in the body (the body heat evil serious) see body heat, thirst like cold drinks, upset or agitation, red face, red eyes, urine color yellow, stool dry knot, tongue red, moss yellow, or even burn dry black, can be used for treatment with Bai Hu Tang plus subtractions.
Cold-dampness disease is characterized by cold fear and limb syncope, dysuria, heavy and painful limbs, swelling, worse below the waist; or abdominal pain, diarrhea; or coughing and vomiting, etc., with black tongue coating accompanied by fluid, and can be treated with Zhenwu Tang plus or minus.
It is recommended that patients seek timely medical treatment and use medication under the guidance of a doctor, do not take medication on your own.