The correct term for Si Miao San is Si Miao Wan. The contraindications for taking Si Miao Wan are not clear, but it should be noted that pregnant women should be cautious of using it.
The drug composition of Si Miao Pill includes Huang Bai, Coix Seed, Cang Zhu, and Cow Knee, which has the efficacy of clearing heat and inducing dampness (removing heat and dampness in the body), and can be used to treat the symptoms of numbness of the feet, impotence and softness of the feet, swelling and pain of the feet and knees caused by the underflow of dampness and heat (dampness and heat invade the intestinal tract, bladder, pubic region, and the lower limbs, etc.).
The drug composition of Si Miao Pill is very simple, but the formula is rigorous and exquisite. Huangbai has the effect of clearing dampness and heat in the lower Jiao, Cangzhu has the effect of drying dampness and strengthening the spleen, Coix Seed has the effect of inducing diuresis and seepage of dampness (facilitating the flow of water to dispel dampness) and strengthening the spleen, and Cow’s Knee has the effect of tonifying the liver and kidneys and inducing the fire to go downward (inhibiting the rise of the fire in the kidneys).
The efficacy of Si Miao Pills in clearing dampness and heat is good, but the contraindications and adverse reactions are not clear, it is recommended to take the correct medication under the guidance of a professional Chinese medicine practitioner.