Medication information

Colyte oral powder

This medication is typically used to empty the intestines in preparation for a diagnostic procedure. Its effects can be noticed within a few hours.


This product is a purgative that causes diarrhea. It is used primarily to cleanse the bowel prior to x-ray examination. Prepare according to directions. Do not add anything to the solution and do not consume any solid foods during the 3-hour period before drinking the solution.

To use, rapidly drink one cup (8 ounces) of the solution every 10 minutes until there is none left or until diarrhea is clear. Diarrhea will begin within one hour of drinking the first cup. You may experience bloating, nausea and cramping while taking this solution. These effects will disappear quickly.

Do not eat solid foods until the examination is completed. You may however, drink clear liquids (water, broth, etc.)

Generally, this medication is used only as needed.

Side effects

In addition to its desired action, this medication may cause some side effects, notably:

  • it may cause bloating;
  • it may cause stomach ache;
  • it may cause chills;
  • it may cause nausea and vomiting;
  • it may increase thirst.

Each person may react differently to a treatment. If you think this medication may be causing side effects (including those described here, or others), talk to your doctor or pharmacist. He or she can help you to determine whether or not the medication is the source of the problem.


Before its use, this product can be stored at room temperature. Once opened, it can be kept at room temperature for 2 days or in the refrigerator for 30 days. Do not allow it to freeze. Keep it out of reach of young children. Make sure that any leftover portion is disposed of safely.

General notes

It is important to tell the health professionals you consult:

  • if you have a history of any other medical condition, whether you smoke and for women, if you are or want to become pregnant or breastfeeding;
  • if you have allergies to any medications or any other allergies (e.g. to food, latex, etc.);
  • all medications you are taking, prescription and non-prescription, including vitamins and natural products and supplements.