水牛角适用于热盛而迫血妄行的皮下血斑等多种出血。因脾虚，脾不统血的皮下血斑、牙龈出血者，则不可用水牛角止血。

• It is suitable where heat is high resulting in purpura and different types of bleeding. It is not suitable for bleeding due to pixu (spleen deficient) .