Your Comfort Comes First

Colonoscopy Prep Instructions

Day Before the Procedure:

  • Take the checked (X) bowel prep solution below along with a clear liquid diet.
  • Start a clear liquid diet at 7AM THE DAY BEFORE THE PROCEDURE up to 12AM (midnight).
  • Drink a large amount of liquids to avoid dehydration.
  • Avoid red or orange colored liquids.
  • Avoid any food or drink that is solid, soft, pureed, pulp, or “milky.”
  • Do not drink alcoholic beverages.
  • Nothing by mouth should be taken after 12AM (MIDNIGHT) the NIGHT BEFORE the procedure.

“Clear liquids” examples:

  • Clear broth or bouillon (without noodles or solids)
  • Clear: Soft Drinks, Kool-Aid, Gatorade, Lemonade
  • Popsicles (No ice cream or yogurt bars)
  • Tea (No milk or cream)
  • Jell-O (No red or orange)
  • Any juices without pulp (No orange juice)

Morning of Procedure:

  • Administer 2 fleet enemas.
  • Enemas can be purchased over the counter at any drug store.
  • Administer the first enema, wait 15 minutes, and repeat with the second enema.

Patients who take Aspirin or Anti-Coagulants:

  • Stop Aspirin or other non-steroidal Anti-Inflammatory Medications 7 days prior to the procedure.
  • Stop Coumadin (Warfarin) or Plavix (Clopidogrel) 7 days prior to the procedure.

Patients with Diabetes:

  • Consult with your primary doctor on how to modify diabetic medication or insulin injection.

On the Morning of Procedure Please Bring:

  1. Your current ID and insurance card.
  2. A list of your current medications, remedies, products, and allergies.
  3. A licensed driver to transport you to your home after the procedure. (Taxis are not allowed.)

*Checked by Office Staff Only*


Day Before the Procedure:

  • Start drinking the bowel prep solution named TRILYTE at 12pm (noon).
  • Trilyte comes in a 1-gallon bottle with powder inside. Fill up the container and shake well (refrigerate after mixing).
  • Drink 1 8oz glass of solution every 15 minutes until all prep solution is finished.
  • Keep drinking plenty of clear fluids until bedtime to prevent dehydration.

Day Before the Procedure:

  • Start drinking the bowel prep solution named Half-lytely bowel prep at 12pm (noon).
  • The prep is a combination of pills and a liquid solution.

Follow the instructions below:

  • Step 1: Take all Bisacodyl tablets with water at 12pm (noon).
    • DO NOT chew or crush the tablets.
    • DO NOT take the tablets within 1 hour of taking an antacid.
  • Step 2: After a bowel movement occurs (usually in 1-6 hours), add lukewarm drinking water to top of the line on Half-lytely bottle.
    • Drink 1 8oz glass every 20 minutes until all prep solution is finished.
    • Even if no bowel movement occurs after 6 hours, begin to drink solution.
    • Keep drinking plenty of fluids until bedtime to prevent dehydration and weakness.

Day Before the Procedure:

  • Start preparation at 12pm (noon).
  • Step 1: Empty 1 pouch A and 1 pouch B into disposable container.
    • Add lukewarm drinking water to the top line of container. Mix to dissolve.
    • The MoviPrep container is divided by 4 marks. Every 15 minutes, drink the solution down to the next mark, until the full liter is consumed.
    • Drink 8oz glasses of the clear liquid of your choice. This is a necessary step to ensure adequate hydration and effective prep.
  • Step 2: Start at 4:00pm
    • Repeat same instructions as Step 1.
For Patients

Whether you need instructions for preparing for your procedure, information on insurance and billing, or an answer to your question, click below to find what you're looking for.


Patient Testimonials

  • “The scheduled colonoscopy was on time with friendly staff.”

    Patrick S.
  • “I would tell everyone do not be nervous about going to get a colonoscopy! Go to them!”

    Cynthia S.
  • “You will be treated quickly and thoroughly and you won't feel like just another patient.”

    Jordan J.
  • “My mom said it was the best experience she ever had!”

    Yulia K.
  • “I didn’t feel a thing during or after the procedure. These guys did a great job and I would recommend them to anyone!”

    Chelsea A.
  • “They put me at ease and all was fine.”

    Rob A.


  • Over 30 Years of Treating Southern California

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  • Direct Access Screening Colonoscopy