The chemical structure of loperamide hydrochloride is similar to that of dinofenac, and it has no effect on the central nervous system in a therapeutic dose. The effect on intestinal smooth muscle is similar to that of opioids and diphenoxylte. It can inhibit the contraction of intestinal smooth muscle and inhibit the movement of intestinal peristalsis. By prolonging the residence time of food in the small intestine, this product can promote the absorption of water, electrolytes and glucose, and has a significant inhibitory effect on intestinal excessive secretion caused by intestinal endotoxins, but does not affect the secretion of gastric acid at the therapeutic dose.
Application 
1. patients with diarrhea, especially children, frequent loss of water and electrolytes, replenish water and electrolytes is the most important therapeutic measures, children should the FDA under the guidance of a doctor.
2. for acute diarrhea, such as 48 hours after using this service, no improvement in clinical symptoms, should stop using, it is recommended to consult a doctor.
3. liver dysfunction may lead to drug overdose relative, should pay attention to the central nervous system symptoms of toxic reactions.