In this guide
Endoscopy and colonoscopy are different tests used to examine different parts of the digestive tract. Both help diagnose symptoms and may allow biopsy or treatment during the same procedure.
Key Takeaways
- Acidity or GERD complications
- Ulcers or gastritis
- Vomiting blood or black stool
- Difficulty swallowing
- Biopsy for selected findings
What does endoscopy check?
Upper GI endoscopy examines the food pipe, stomach and first part of the small intestine.
- Acidity or GERD complications
- Ulcers or gastritis
- Vomiting blood or black stool
- Difficulty swallowing
- Biopsy for selected findings
What does colonoscopy check?
Colonoscopy examines the rectum and large intestine.
- Blood in stool
- Chronic diarrhea or constipation
- Colon polyps
- IBD or colitis
- Colon cancer screening
Preparation differences
Endoscopy usually needs fasting. Colonoscopy needs bowel preparation and diet instructions so the colon is clean.
Recovery and safety
If sedation is used, patients should come with an attendant and avoid driving that day. Recovery advice depends on biopsy, polyp removal or treatment done.
