Signs and symptoms of intestinal ischemia can develop suddenly (acute) or gradually (chronic). Signs and symptoms may be different from one person to the next, but there are some generally recognized patterns that suggest intestinal ischemia. Symptoms of sudden (acute) intestinal ischemia Signs and symptoms of acute intestinal ischemia typically include: 
Sudden belly (abdominal) pain that may be mild, moderate or severe
An urgent need to have a bowel movement
Frequent, forceful bowel movements
Abdominal tenderness or bloating (distention)
Blood in your stool
Nausea and vomiting
Mental confusion in older adults
 Symptoms of gradually developing (chronic) intestinal ischemia Signs and symptoms of chronic intestinal ischemia can include: 
Abdominal cramps or fullness, usually within 30 minutes after eating, and lasting 1 to 3 hours
Abdominal pain that gets gradually worse over weeks or months
Fear of eating because of pain that happens after eating
Unintended weight loss
Diarrhea
Nausea and vomiting
Bloating
