"However, our data shows that patients undergoing simultaneous upper endoscopy and colonoscopy after a 24-hour clear liquid diet are not actually getting increased residual gastric contents ...

Medically reviewed by Qin Rao, MD A colonoscopy preparation is needed before the procedure. This is to clear the large ...

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A clear liquid diet is often prescribed before a patient undergoes gastrointestinal procedures such as colonoscopies or endoscopies. Strictly consuming clear liquids reduces residue in the ...

According to Dr. Robbins, it's important to avoid drinking red, blue or purple liquids when you're on a clear liquid diet for colonoscopy prep. These colors can stain your colon and be mistaken ...