What Disease Is Associated With Feces Smelling Breath?

What Disease Is Associated With Feces Smelling Breath? GERD, or gastroesophageal reflux disease, can cause a person’s breath to smell like feces because the stomach acid backs up into the esophagus. This acidic wash irritates the esophagus, which can cause extreme discomfort as well as foul breath. What does H pylori breath smell like? Helicobacter