LHQWC Precautions 1) Pregnant and lactating women should use with caution. 2) It contains ephedrae herba (Mahuang), so should be used with caution by athletes and patients with high blood pressure and heart disease. 3) Those with previous history of liver disease or with abnormal liver function should use with caution. 4) It contains rheum, so the dose should be reduced appropriate in subjects who experience increased stool frequency and shapeless stools after administration. 5) Nourishing traditional Chinese medicine should not be taken at the same time.