What does foul smelling diarrhea mean?
Isabella Bartlett
Updated on April 15, 2026
Foul-smelling stools have an unusually strong, putrid smell. In many cases, foul-smelling stools occur due to the foods people eat and the bacteria present in their colon. However, foul-smelling stools can also indicate a serious health problem. Diarrhea, bloating, or flatulence may occur with foul-smelling stools.