 [ Symptoms ] How do you treat Diarrhea? [ Disease ] 1)Hydrating the body is essential for recovering from diarrhea.This causes the body to lose electrolytes such as sodium and chloride. 2)It is highly recommended to avoid dairy products, as they may worsen diarrhea in some people. 3)However, if diarrhea lasts for more than 2 days, seek medical advice to avoid complications.