Can you explain about the toxicity and adverse effects of Chinese medicine?

 Can you explain about the toxicity and adverse effects of Chinese medicine? 

A: Most people think that Chinese medicine only has a mild action so that no harm will come to you if you take it for a long time. This is absolutely wrong! Improper use of any medicine can lead to adverse effects. For example, when ginseng is used in individuals with fever, skin sores or constipation, the symptoms will become worse. Therefore, it is better to seek professional advice before you take any medicine. 

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Some recent reports have shown that a Chinese herb, Caulis Aristolochiae Manshuriensis (Guan mu tong), contains a toxic ingredient called Arisolochic Acid, which can cause kidney failure. It should be noted that a common herb used by TCM is Caulis Clematidis Armandii (Chuan mu tong), the two are different species. Furthermore, TCM will use some toxic herbs in complicated cases, for example, Radix Aconiti Lateralis Preparata (fu zi) and Radix Aconiti (chuan wu) are used to treat rheumatoid arthritis; special attention should be paid to the dosage and preparation procedures for these herbs in order to avoid side effects. Therefore it is important to monitor the quality of Chinese herbs.