causes of diarrhea and blood in stools
Colon polyps Colon polyps are growths that form in the lining of the colon, and can cause constipation, diarrhea and more. Rectal cancer Rectal cancer appears in the rectum and causes bloody stool and constipation. Drug overdose A drug overdose can be fatal and causes sleepiness, confusion, coma, vomiting, and other symptoms. Viral gastroenteritis Gastroenteritis (stomach flu) is a viral condition that causes diarrhea and vomiting.