As you transition closer to the procedure date, your diet will shift entirely to clear liquids. However, not all clear liquids are permissible. Exploring the clear liquid diet rules for colonoscopy highlights a strict prohibition against any fluids or gelatins containing red, purple, or sometimes orange artificial dyes. These pigments can stain the fluid remaining in the colon, perfectly mimicking the appearance of blood or masking active bleeding, which severely compromises the specialist’s diagnostic accuracy.
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