Colonoscopy

Injury Disease Nutrition Poison Symptoms Surgery Test Special Topic

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Colonoscopy Colonoscopy Anal biopsy

Overview Risks Results

Colonoscopy

• Bowel perforation (hole), requiring an repair operation (less than 2 out of 1,000 tests)
• Heavy or persistent bleeding from biopsy or polypectomy sites (1 out of 1,000 tests)
• Adverse reaction to sedative medication causing respiratory depression or low blood pressure (4 out of 10,000 tests)
• Infection requiring antibiotic therapy (very rare)
• Nausea, vomiting, bloating, or rectal irritation caused by oral purgatives

You must sign an informed consent form. Several hours rest is recommended after the test. To replace fluids lost because of laxatives and fasting, drink plenty of liquids after the test.

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