The evaluation of ulcerative colitis begins with a history and physical exam.

Physical findings in someone with ulcerative colitis may include:

• Abdominal tenderness
• Anal tenderness
• Fever
• Blood in the stool:
• Rectal bleeding
• Red stools

Tests are necessary to make the diagnosis of ulcerative colitis.

Tests that may be used to evaluate ulcerative colitis include:

• Stool guaiac test
• Stool cultures
• Complete blood count
• Electrolyte profile
• Liver function tests
• Abdominal x-ray
• Abdominal CT scan
• Lower GI endoscopy
• Upper GI endoscopy
• Virtual colonoscopy