Aside from food, there are also some liquids that you must avoid. You should continue to drink fluids before the procedure to keep your body dehydrated. Of course, the best fluid to drink is water. It's colorless and highly beneficial to your health. As your colonoscopy day approaches, stay away from milk. Also, avoid other beverages which are milk-based. Also avoid drinking beverages which are color red, orange, purple, and blue. Alcoholic drinks are a big no-no too. They won't really affect the procedure but these drinks will dehydrate you quickly.
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