The efficacy and function of indigo naturalis

What is the effect and function of indigo naturalis? Traditional Chinese medicine believes that indigo naturalis is salty and cold in nature. It mainly belongs to the liver meridian. Its main function is to clear away heat and toxic materials, cool blood and eliminate spots, and relieve fire and calm shock. Indigo naturalis is mainly used in clinical practice for these diseases. One kind is warm poison hair spot, blood heat vomiting epistaxis, vomiting blood and so on, just like some infectious diseases, such as encephalitis, there are hemorrhagic fever and so on, some infectious diseases with serious fever, when the disease is serious, can show skin blood stasis, ecchymosis, even can show bleeding, we often use indigo. The second kind, such as chest pain, cough, expectoration, cough blood, especially some pneumonia, bronchiectasis can cause cough blood. Third, for some throat diseases, such as oral ulcers, mumps, mumps, throat paralysis, throat inflammation, etc., we also often use indigo because it has a calming effect. Therefore, indigo is often used for convulsions caused by high fever in children. This kind of disease is also often used to reduce the occurrence of convulsions.