Semen is normally a whitish-gray color. It's usually quite thick after ejaculation, but liquefies within 30 minutes. Changes in the appearance of semen might be temporary and not a health concern. However, sometimes these changes can be a sign of an underlying medical condition that requires further evaluation.emen is normally a whitish-gray color. It's usually quite thick after ejaculation, but liquefies within 30 minutes. Changes in the appearance of semen might be temporary and not a health concern. However, sometimes these changes can be a sign of an underlying medical condition that requires further evaluation.
TWO-THREE Days BEFORE THE COLONOSCOPY-Do not eat beans, peas, corn, nuts, popcorn, okra, or tomatoes 2-3 days prior to your colonoscopy, as the seeds of these foods may adhere to the intestinal wall and may not flush out with bowel prep (start now if your colonoscopy is scheduled within the next 3 days).WO-THREE Days BEFORE THE COLONOSCOPY-Do not eat beans, peas, corn, nuts, popcorn, okra, or tomatoes 2-3 days prior to your colonoscopy, as the seeds of these foods may adhere to the intestinal wall and may not flush out with bowel prep (start now if your colonoscopy is scheduled within the next 3 days).
Clear-Liquid Diet for Colonoscopy Preparation. One day before â and the day of â your colonoscopy, you will be on a clear-liquid diet. The chart shows examples of drinks you can include, and what to avoid. Starting the day before your screening, don't eat any solid food until after your colonoscopy. Print this chart (PDF) for easy reference. See the low-fiber diet chart for what you can eat the previous days.