In this guide
Colonoscopy examines the large intestine and rectum. It is useful for bleeding, bowel habit changes, chronic diarrhea, suspected colitis, polyps and screening.
Key Takeaways
- Blood in stool
- Chronic diarrhea or constipation
- Unexplained anemia
- Suspected IBD or colitis
- Colon polyp or cancer screening
When it is needed
The doctor may advise colonoscopy based on symptoms and risk.
- Blood in stool
- Chronic diarrhea or constipation
- Unexplained anemia
- Suspected IBD or colitis
- Colon polyp or cancer screening
Preparation
Colonoscopy needs bowel preparation, diet instructions and fasting. Poor prep can reduce accuracy.
Medicine precautions
Discuss diabetes medicines, insulin, BP medicines and blood thinners before the procedure.
After colonoscopy
Recovery advice depends on sedation, biopsy, polyp removal and findings.
