[4:55 PM] Michelle Dennison-Bunch

SUTAB Colonoscopy Prep

** Following these instructions correctly will help your colonoscopy prep and procedure go smoothly**

SUTAB® (sodium sulfate, magnesium sulfate, potassium chloride) tablets for oral use is an osmotic laxative indicated for cleansing of the colon in preparation for colonoscopy in adults.


3 days prior to the procedure

  1. Please start a LOW RESIDUE DIET.


The day before the procedure

What You CAN Do

What You CANNOT Do

  • Do not drink milk or eat or drink anything colored red, orange or purple
  • Do not drink alcohol
  • Do not take other laxatives while taking SUTAB
  • Do not take oral medications within 1 hour of starting each dose of SUTAB
  • If taking tetracycline or fluoroquinolone antibiotics, iron, digoxin, chlorpromazine, or penicillamine, take these medications at least 2 hours before and not less than 6 hours after administration of each dose of SUTAB.

Liquids That Are OK to Drink

  • Coffee or tea (no cream or nondairy creamer)
  • Fruit juices (without pulp)
  • Gelatin desserts (no fruit or topping) (no red, purple, or orange)
  • Water
  • Power Aid or Gatorade (no red, purple, or orange)
  • Chicken broth
  • Clear soda (such as ginger ale, Sprite or 7-Up)
  • Read full details of a CLEAR LIQUID DIET

The Dosing Regimen

SUTAB is a split-dose (2-day) regimen. A total of 24 tablets is required for complete preparation for colonoscopy. You will take the tablets in two doses of 12 tablets each. Water must be consumed with each dose of SUTAB, and additional water must be consumed after each dose.

DOSE 1 – On the Day Prior to Colonoscopy

You may have a low residue breakfast and lunch no later than 1:00 PM

Take the tablets with water ONLY and then can have other clear liquids such as apple juice, Gatorade or Powerade (no red, orange, or purple)

STEP 1 At 1:00 PM start a clear liquid diet.

STEP 1 At 5:00 PM open 1 bottle of 12 tablets.

STEP 2  Fill the provided container with 16 ounces of water (up to the fill line). Swallow each tablet with a sip of water, and drink the entire amount of water over 30-60 minutes.

SUTAB tablets plus water

IMPORTANT: If you experience preparation-related symptoms (for example, nausea, bloating, or cramping), pause or slow the rate of drinking the additional water until your symptoms diminish.

Drink additional water or clear liquids

STEP 3  Approximately 1 hour after the last tablet is ingested, fill the provided container again with 16 ounces of clear liquid of choice (up to the fill line), and drink the entire amount over 30 minutes.

STEP 4  Approximately 30 minutes after finishing the second container of clear liquids, fill the provided container with an additional 16 ounces of clear liquid of choice (up to the fill line), and drink the entire amount over 30 minutes.

On the day of the procedure

DOSE 2 – Day of the Colonoscopy

  1. Continue to consume only clear liquids but STOP all liquids 2 HOURS before colonoscopy. Please take any essential medications such as heart, blood pressure, anxiety, asthma, or seizure meds as usual 1 hour before either dose.
  2. The morning of the colonoscopy, six (6) hours prior to the colonoscopy plus driving time, open the second bottle of 12 tablets.
  3. Repeat STEP 1 to STEP 4 from DOSE 1
SUTAB tablets plus water

IMPORTANT:  You must complete all SUTAB tablets and required water at least 2 hours before colonoscopy.


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