Medication information

Colyte oral powder

This medication is typically used to empty the intestines in preparation for a diagnostic procedure.


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 health care professional. 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. Make sure that any leftover portion is disposed of safely.

General notes

When meeting with any health professional, it is important for you to share the following information:

  • Your medical history and allergies (medication, food, or other);
  • If you're pregnant or want to become pregnant, or if you're breastfeeding;
  • If you use tobacco or cannabis or its derivatives, or if you use recreational drugs;
  • The names of all the medications you take, whether you take them regularly or once in a while, including over-the-counter medications, vitamins, and natural health products.

It is also strongly recommended that you keep an up-to-date list of all the medications you take and carry it with you at all times. This could be useful if you have to see a health professional or need emergency care.

Keep all your medications out of the reach of children and pets and return any unused or expired medications to the pharmacy for proper disposal.