because ulcerative colitis affects the large intestine it can cause severe and sometimes bloody diarrhea putting patients at risk for iron deficiency and anemia. ulcerative colitis can also deplete stores of folate. that's especially dangerous for women of child-bearing age since folate deficiency is linked to birth defects. fluid loss from diarrhea can also cause electrolyte imbalances. severe infections can occur in the large intestine but they are uncommon. ulcerative colitis is also associated with a higher risk of colon cancer. for that reason doctors recommend frequent colonoscopy examinations. your doctor may discuss other risks with you.
what are the health risks of ulcerative colitis?