Inflammatory bowel disease symptoms vary, depending on the severity of inflammation and where it occurs. Symptoms may range from mild to severe. You are likely to have periods of active illness followed by periods of remission. Signs and symptoms that are common to both Crohn's disease and ulcerative colitis include: 
Diarrhea
Fatigue
Abdominal pain and cramping
Blood in your stool
Reduced appetite
Unintended weight loss
