Water Buffalo Horn Powder and Egg Soup，From *Proven Tea, Decoction, and Soup Recipes for Common Ailments*,Clears heat, stops bleeding, and increases platelet count. Suitable for thrombocytopenic purpura caused by blood heat leading to uncontrolled blood flow.
as the formula is predominantly cold-cool, use with caution in those with spleen-stomach deficiency-cold, loose stools, or aversion to cold with cold limbs; because it clears heat with cold-natured herbs, overuse can impair the middle; restraint is advised for the spleen-deficient
Commentary
At the head stands Water buffalo horn powder, the sovereign, of cold nature and bitter flavor, entering the Heart, Liver; it clears heat, cools blood, resolves toxicity, and settles fright, underpinning the principal thrust of the decoction. The ministerial support — egg (with neutral nature and sweet flavor, having Lung, Spleen, Stomach tropism, nourishes yin, moistens dryness, calms the fetus, and tonifies deficiency) — reinforces the sovereign’s main effect and coordinates the drug strength. Viewed as a whole, the formula addresses the qi-blood deficiency with blood heat presentation, treating both root and branch.