How long it takes for diarrhea to take Huangliansu to take effect is related to the patient’s condition and personal constitution, if the condition is mild, the symptoms can usually be improved in 1~2 days, if the condition is more serious, the time needed will be prolonged. Huanglianxin is a kind of Chinese patent medicine, mainly composed of berberine hydrochloride, wood sorrel, cornelian cherry, white peony and other ingredients, which has the effect of clearing heat and drying dampness (removing heat and drying out dampness), moving qi and relieving pain (relieving pain by regulating the human body’s qi), and stopping dysentery and diarrhea. Huanglianxin is mainly used in the clinic for the treatment of large intestine damp-heat (the large intestine feels the damp-heat evil), the anxiousness or violent injection of diarrhea (sudden diarrhea), burning anus, enteritis, dysentery and other diseases. However, diarrhea patients take Huanglianxin specific how long can relieve due to the patient’s condition and personal constitution is different, can not be generalized. If the patient’s diarrhea symptoms are mild, usually take 1~2 days symptoms can be relieved, but if the patient’s condition is more serious, it will take longer, may need 5~7 days or even longer. Adverse reactions such as nausea, vomiting, skin rash and medicinal fever may occur when taking Flavopiridol, but they usually disappear after stopping the drug. It should be used with caution in patients in the first trimester of pregnancy. It should be contraindicated in patients who are allergic to the product, hemolytic anemia and glucose-6-phosphate dehydrogenase deficiency. Patients with diarrhea are advised to seek prompt medical attention and reasonable treatment under the guidance of a doctor. The medication should be taken strictly according to the doctor’s instructions, and should not be used on its own, so as not to delay or even aggravate the condition. If serious adverse reactions occur when taking the drug, the drug should be discontinued and seek medical attention.