Days before a colonoscopy, it is important to avoid foods that are high in fiber, hard to digest, or contain seeds and skins that can interfere with the procedure. Generally, this diet restriction starts about 3 to 5 days prior to the colonoscopy.
Foods to Avoid Days Before Colonoscopy
- Whole grains, whole-wheat bread, cereals, and pasta
- Nuts, seeds, peanut butter with chunks, and popcorn
- Raw fruits and vegetables, especially those with skins or seeds like berries, apples with skin, tomatoes, corn, peas, and beans
- Dried fruits like raisins and prunes (and prune juice)
- Tough or chewy meats, including red meat like beef and pork
- Vegetables such as broccoli, cabbage, Brussels sprouts, cauliflower, onions, mushrooms, and potatoes with skin
- Fried or roasted foods
- Foods with red, purple, or blue dyes (including beverages)
- Dairy products are usually allowed until the day before but should be avoided on the day or as per doctor's instruction.
Dietary Guidelines Summary
- Follow a low-fiber or low-residue diet about 3-5 days before the procedure.
- Eat easily digestible foods such as white bread, white rice, well-cooked vegetables without skins, eggs, fish, chicken, and clear liquids closer to the procedure.
- On the day before, switch to a clear liquid diet and avoid any colored liquids that could stain the colon.
If there are specific personal or medical considerations, it's best to follow the instructions provided by the healthcare provider preparing the colonoscopy. This approach ensures the bowel is clear for the procedure, improving visibility and effectiveness.
