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

You need to follow a special diet and may take laxatives to clean out your bowel before a colonoscopy. Drink plenty of clear liquids to avoid dehydration during the bowel prep. You might need to split ...

Colonoscopy may be inconvenient and require planning, but the consequence and therapy for cancer is far more burdensome.