Precautions
Contraindicated in those with yang deficiency, eczema, and in postpartum cases with bleeding or blood stagnation. Do not use with Li Lu (veratrum root and rhizome). May cause drowsiness. According to some traditional sources, antagonizes Shi Hu (dendrobium stem) and Mang Xiao (sodium sulfate), counteracts Bie Jia (turtle shell) and Xiao Ji (field thistle).