... removes dampness and treats difficult urination. Modern science proves that Poria Cocos improves our immune functions, enhances our body ... reduced urinary output, with edema and thirst. Four Major Herbs Combination(Si Junzi Tang)atractylodes, licorice, ginseng26%(decoction) ... intestines, which can explain the role of hoelen in formulas that treat nausea, vomiting, diarrhea, loss of appetite, stomachache ...