It is not recommended to take Wu Pi San for a long period of time to avoid aggravating the burden of liver and kidney functions or causing other discomforts. Wu Pi San has the efficacy of inducing diuresis and eliminating edema (relieving urination and eliminating edema), regulating Qi and strengthening the spleen (regulating Qi and strengthening the spleen). It can be used for treating Pi Shui (edema with generalized swelling, low urine output and abdominal distension) which is caused by water-stagnation and Qi stagnation. Symptoms include swelling of the whole body, heaviness of the limbs, distension of the heart and abdomen, shortness of breath, dysuria, and edema in pregnancy, with white and greasy coating and slow pulse. The adverse reactions and contraindications of Wu Pi San are still unclear, if used together with other drugs may occur drug interactions, please consult your physician or pharmacist for details. If you need to use Wu Pi San, must be used under the guidance of a professional doctor.