Solanum has certain nephrotoxicity, long-term use may injure the kidney, and in severe cases, vague pain in the kidney area of the lower back, blood in urine and other symptoms may occur. Please use it properly under the guidance of a physician and do not use it blindly. Duhuo tastes pungent, bitter, slightly warm in nature, with the efficacy of dispelling wind-dampness, relieving pain, and relieving surface symptoms, and is mainly used for treating pain in the waist, knees, legs and feet joints in the case of paralysis due to wind-cold-dampness, soreness of muscles and joints in the case of surface symptoms due to wind-cold and wetness, headache, fever, as well as shaoyang yin headache, toothache, and itching of skin. Overdose of this product can irritate the stomach and intestines, and the symptoms of poisoning can be seen as numbness of the tongue, nausea and vomiting, as well as stuffiness and distension of the stomach. If the symptoms are mild, stopping the medicine can gradually improve the condition, but if the symptoms are serious, it is necessary to consult a doctor for timely treatment. Duhuo is warm and dry, and should be taken with caution by people with yin deficiency and blood dryness (symptoms include agitation, hot hands and feet, night sweating, dry mouth and throat, and dry and peeling skin, etc.). Please take this product under the guidance of a physician. When the body is not suitable, please consult a doctor, do not blindly use the drug.