wǔ líng sǎn • five-ingredient powder with poria • 五苓散 drain dampness zé xiè is used for patterns with stagnation from dampness, all kinds of lin syndrome, damp-heat in the lower jiao, liver/gallbladder damp-heat, kidney yin xu empty-heat. symptoms indicating the use of zé xiè general and specific edema, urinary difficulty, painful urinary disfunction, dizziness, diarrhea,…