The side effects of Yam Pills are not known. Yam Pill is a proprietary Chinese medicine. It is composed of the drugs Cortex Eucommiae (fried charcoal), Cortex Eucommiae, Mullein, Frankincense (vinegar-roasted), Millennium Health, Qiangwu, Ground Maple Peel, Safflower, Sequel, and Chaihu. It has the efficacy of dispelling wind and clearing the meridians (removing wind and evil spirits, dredging the channels and collaterals), and strengthening the tendons and bones. It has therapeutic effects on paralysis, muscle atrophy, numbness of skin, unfavorable rotation of joints, bruises and injuries, blood stasis and other conditions. The adverse reactions of Yam Pill are not clear. Contraindications are contraindicated in pregnant women, patients with chronic illness and body weakness should be avoided. This product has toxicity, pay attention to the use of this product should be taken in accordance with the amount, can not be overdosed. Before taking this medicine, it should be used under the guidance of a Chinese doctor, do not buy and use on your own, so as not to delay the condition.