An overdose of herbal medicines may cause gastrointestinal reactions, liver and kidney impairment, etc. If there is an overdose of aconite or ephedra, it can also cause aconitine poisoning or ephedrine poisoning, etc. An overdose of Chinese medicines may cause gastrointestinal reactions, such as nausea and vomiting, abdominal pain and diarrhea, belching (hiccups), acid reflux, and so on. Serious cases may also lead to liver and kidney function impairment, such as abnormalities in creatinine and urea nitrogen and increased transaminases. In the case of aconite and ephedra poisoning, there will be aconitine poisoning, such as headache and dizziness, cyanosis of the lips and mouth, palpitations (rapid heartbeat, often accompanied by panic), shortness of breath, cardiac arrhythmia, blurred vision, dyspnea, decreased blood pressure and other symptoms. In case of ephedra overdose, ephedrine poisoning will occur, such as symptoms of restlessness, tachycardia, increased blood pressure, and difficulty in urination. Drugs need to be rationally applied according to medical advice, and when discomfort occurs, active consultation and treatment are required.