CoLyte is indicated for:

  • Bowel cleansing prior to colonoscopy or barium enema X-ray examination or surgical procedures requiring a clean colon

  • Treatment of constipation following consultation with your doctor1


CoLyte packaging includes: a large bottle with 278 g of powder of PEG 3350 and Electrolytes, to be dissolved in 4 litres of water.1

  • Pleasant tasting pineapple flavour1

  • Suitable for many types of patients1*

  • Effective laxative indicated for bowel cleansing prior to colonoscopy or barium enema X-ray examination or surgical procedure requiring a clean colon and also indicated for the treatment of constipation following consultation with your doctor1

  • No significant changes in fluid and electrolyte balance1

  • Simply fill bottle with water and refrigerate for simple storage and to improve taste1

*CoLyte may not be suitable for everyone. Speak with your Health Care Professional if you have any questions or concerns regarding CoLyte.

BEFORE you use CoLyte, talk to your doctor or pharmacist if: 

  • you have taken any other medication within two hours of when you plan to start taking CoLyte (you may be removing this medication from your gastrointestinal tract by taking CoLyte)

  • you have a history of electrolyte imbalance (e.g., hyponatremia) or are using diuretics

  • you have ulcerative colitis or any other inflammatory bowel disease (e.g., Crohn’s disease)

  • you are pregnant or nursing

  • you have difficulty swallowing or have a pronounced gag reflex or are prone to vomiting

  • you have any allergies to this drug or its ingredients

Talk to your doctor if you have kidney or heart problems, kidney impairment or heart failure or any tendency to regurgitate (bring up) food from your stomach into your esophagus or any tendency to accidentally inhale food or regurgitated food into the trachea (breathing tube to the lung).

Stop taking CoLyte and contact your doctor or pharmacist if you have:

  • severe bloating, abdominal pain or fullness, nausea, vomiting or any other unexpected effects1

Please call 1-888-550-6060 if you have any questions or require additional information.

How to properly prepare for your colonoscopy with CoLyte

  • Before your colonoscopy

    Mix your CoLyte following the instructions below:

    • Add tap water to the fill line on container1

    • Replace cap tightly and mix or shake well until all ingredients have been dissolved1

    • Do not add anything, such as sugar or flavourings1

    • Refrigerate the solution1

  • Stop eating solid food 3 hours before drinking your CoLyte

    You cannot eat any solid food during the 3 hour period before drinking your CoLyte. Therefore, if you are to drink your CoLyte in the afternoon, you can have breakfast as well as a light lunch, but you have to stop eating solid foods 3 hours before the time you plan to drink your CoLyte.1

  • Start drinking your CoLyte at the time indicated by your doctor

    Note that a 1-hour waiting period after the appearance of clear liquid stools should be allowed prior to examination to complete bowel evacuation.1

    Drink 240 mL (8 oz) of CoLyte every 10 minutes. Rapid drinking of each portion is preferred rather than drinking small amounts continuously.1

    The first bowel movement should occur approximately 1 hour after the start of taking CoLyte. Administration of CoLyte should be continued until the watery stool is clear and free of solid matter. This normally requires the consumption of approximately 3 to 4 litres, although more or less may be required in some patients. The unused portion should be discarded.1

    The most frequent adverse reactions, occurring in up to 50% of patients taking 4L of CoLyte solution, are nausea, abdominal fullness and bloating. These adverse effects are temporary.1

    If you have trouble with incontinence, consider placing a towel on your bed at bedtime or purchasing disposable absorbent underwear (e.g., Depend®).

  • Day of colonoscopy

    Do not eat any solid food until after your examination. Water or other clear fluids are permissible.1

    Note, clear liquids include: plain water, fruit juices with no pulp (such as apple juice, white grape juice
    or lemonade), clear and fat-free broth (bouillon or consommé), soft drinks/sports drinks, gelatin
    (e.g., Jell-O®) with no fruit and no toppings, ice pops (no sherbets or fruit bars with bits of fruit or pulp), tea or coffee (without milk or cream) and hard candies.2,3 Do not drink or eat anything with red or purple colouring as it can leave a residue in the bowel that resembles blood.3