Xiong Huang is also known as Realgar. The acrid, bitter, warm and toxic herb has been used in TCM to treat intestinal parasites (taken orally) and  damp rashes, abscesses, ulcerations, snake bites (topical application), etc. as it expels toxins, eliminates parasites, etc. by enhancing the functions of heart, liver and stomach channels. Ingredients 1. As2S2 …