Berberine hydrochloride has the effect of treating acute and chronic enteritis and acute bacterial dysentery, that is, it has the effect of treating diarrhea that the common people often say. This medicine it is extracted from the plant, also called Huanglianxin, from the active ingredients of Huanglian and Huangbai, so the taste is more bitter, but the side effects are less, the price is cheaper, and it is loved by the people, and it can be used as a common medicine when going on a trip. This drug also has the effect of fighting pathogenic bacteria such as dysentery bacillus and Escherichia coli, so do not apply it for a long time, if the application does not work in 3 days, you must go to the hospital for treatment.