What helps with diarahha that has been ongoing for four days?

Stay hydrated : Diarrhea of only 4 days duration is considered acute diarrhea. The majority of episodes are infectious and resolve spontaneously. It is important to stay well hydrated and see your primary care provider.

Acute Diarrhea tx: Most important is to keep good hydration with water, gatorade or hydration solutions like pedialyte to replace the amount lost plus daily requirements. Try to avoid antidiarrheics especially in children and elderly. Npo=nothing per mouth (except clear not dairy fluids) if hungry...Bratty diet =banana-rice-apple-tea ( non caffeinated)toast-yogurt http://www.Medicinenet.Com/the_brat_diet/article.Htm.