Important Announcements

Nondiscrimination Policy Update

Boston Medical Center Health System complies with applicable Federal civil rights laws and does not discriminate on the basis of age, race, color, national origin (including limited English proficiency and primary language), religion, culture, physical or mental disabilities, socioeconomic status, sex, sexual orientation and gender identity and/or expression. BMCHS provides free aids and services to people with disabilities and free language services to people whose primary language is not English.

To read our full Nondiscrimination Statement, click here.

SU-PREP Preparation Instructions for Morning Colonoscopy

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Download these instructions as a PDF

The Day You Schedule Your Appointment

  • Plan time off of work for the day of your colonoscopy.
  • You MUST have an escort to come into the hospital and take you home after the colonoscopy. Please start making these arrangements.

Seven Days Before Your Appointment

  • Fill prescription for the laxative. If you don’t have the prescription, call our patient navigator at 617-414-2494 / 617-414-2640
  • Stop taking iron pills. Multi-vitamins can be continued.
  • If you are taking Coumadin/Warfarin or any other type of blood thinner, please call your primary care doctor/Coumadin Clinic today for instructions about stopping the medication before your procedure.

Two Days Before Your Appointment

  • Please ignore all other bowel preparation instructions from any other sources including pharmacists, medicine package inserts, friends/relative and the internet.
  • Drink at least eight glasses of water today.
  • STOP eating high fiber foods such as vegetables and beans until after your colonoscopy.
  • You can eat all other types of foods today.

The Day Before Your Appointment

  • ALL DAY TODAY, FOLLOW A STRICT CLEAR LIQUID DIET. DO NOT EAT ANY FOOD OR THICK LIQUIDS AT ALL! Examples of clear liquids are: water, apple juice, broth (NOT SOUP WITH THINGS IN IT) Jell-O, tea/coffee without milk/cream, sodas, sports drinks, and popsicles, but nothing red colored.
  • At 6 p.m., drink the first bottle of SUPREP mixed with water (fill to the 16 oz. line).
  • Drink two additional containers of water (16 oz. each) over the next hour.
  • Plan time off of work for the day of your colonoscopy.

The Day of Your Appointment

  • Six, hours before your appointment time, drink the second bottle of SUPREP mixed with water, followed by two additional 16 oz containers of water over the next hour. You must finish at least two hours before the colonoscopy (finishing it three to five hours before is best).
  • If you have diabetes: Take half the dose of your insulin on the day of procedure and skip diabetes pill(s) unless directed otherwise. You should check your blood sugar level in the morning.
  • Take all of your other regular medications at least two hours prior to your test.
  • Stop taking anything by mouth (including clear liquids) at least two hours before the colonoscopy.
  • Stop taking iron pills. Multi-vitamins can be continued.

If you cannot keep this appointment or have questions, please call 617-414-2600.