成人急性感染性腹泻与儿童感染性腹泻在发病率、严重程度、预后等方面有所不同，其治疗以补液、止泻治疗为主，必要时使用抗生素。近年来，就成人急性感染性腹泻在补液治疗和益生菌、新止泻药物等应用方面更新了一些新的循证医学证据，在进一步确保现有药物安全性的同时促进了腹泻治疗思路与手段的发展。

Adult acute infectious diarrhea is different from children infectious diarrhea in incidence, severity and prognosis. Fluid infusion and antidiarrheal treatment are given priority to antibiotics. In recent years, there are some new and updated evidence-based medical evidence in fluid infusion, probiotics and new antidiarrheal medicines for adult acute infectious diarrhea, which in further ensures the safety of the existing drugs, offers more choices and improves our understanding of the treatment of diarrhea.