Diarrhea and other gastrointestinal symptoms are less common but possible if you have pneumonia, or are taking medications for this lung infection. Pneumonia is an infection that causes inflammation ...

Did you know that on average, every single adult in the United States experiences diarrhea at least once a year, according to the National Library of Medicine? While these loose, watery stools ...

A mysterious gut hormone may be behind many cases of chronic diarrhea, especially in people with undiagnosed bile acid malabsorption, a condition often mistaken for irritable bowel syndrome.