Medically reviewed by Robert Burakoff, MD Key Takeaways Colonoscopy prep is complete when your poop is light yellow without dark particles. If your stool isn't the right color after completing the ...

To prepare for a colonoscopy, you may need to avoid fiber in the days leading up to your appointment and follow a clear liquid diet beginning the day before. Preparation also involves taking laxatives ...

A colonoscopy examines the bowels using a colonoscope, a thin, flexible tube with a light and camera. It can help identify issues like colorectal cancer, polyps, and ulcers. Doctors use colonoscopies ...