What are the clinical manifestations of blood heat?

The clinical manifestations of blood-heat mania are cyanotic spots or plaques on the skin, nasal bleeding, gingival bleeding, hematochezia, hematuria or fever, thirst, constipation, red tongue coating yellow, pulse string number, and irritability, delirium, faint macula, purple or black. The treatment is to clear heat and detoxify, cool blood and stop bleeding. The suggested prescription is Shihui San or Xijiao Dihuang Decoction. This disease is mainly due to the invasion of evil into the blood system, which is more serious than the closed Ying system, blood-heat disturbing the heart, then manic attack, extreme heat in the blood system and then forced blood to run wildly, so bleeding can be seen. Moreover, due to the excessive heat, it is seen that the spirit is faint and the spots are purple and black.