According to Tohoku University, Associate Professor Takayama and his colleagues examined in detail 503 papers that were hit in English and Japanese searches, and examined 57 papers on Chinese medicine mainly used by the elderly and the sick. Extract papers.We evaluated the research contents of a total of 64 papers, including recent papers, and made a list of Chinese herbs useful for the elderly.
At the same time, it adds the knowledge so far to the precautions issued by the Ministry of Health, Labor and Welfare, and adds a list of crude drugs that elderly people should be careful about when using Chinese herbs.

　According to the guidelines, yokukansan is effective for hallucinations, delusions, day and night reversal among the behavioral and psychological symptoms associated with dementia, but it is not effective for loss of appetite and depression, and licorice is hypokalemia. It is described that the delusion has inherent toxicity that causes arrhythmia and lowering of blood pressure.

　Chinese herbal medicine treatment, which originated in China, is called empirical medicine and has long been considered to have little basis for medical treatment. In the 20th century, clinical research on the effects of Chinese herbs began to progress, and it is said that more than 94% of family doctors are prescribing Chinese herbs, but clinical practice guidelines have not been prepared.

　The guidelines can be used as a source of information for doctors who do not specialize in Chinese medicine when prescribing Chinese medicine to the elderly.The research team hopes that the use of Chinese herbs based on correct information will spread.The research results were published in the English medical journal "International Gerontology and Gerontology".