The most unpleasant thing about bowel prep for colonoscopy is the taste of the bowel prep agents. Bowel prep side effects are generally rare except for the intended effect-diarrhea. The table below provides a list of possible side effects, frequency of occurrence and what to do if they occur. This list is by no means exhaustive. Read the package label and speak to your provider about any bowel prep side effects.
|Adverse Event||Frequency||What To Do|
|Abdominal cramps ± distention||Common||
|Nausea ± vomiting||Common||
|Flare of hemorrhoids||Uncommon||
|Rare||Contact your provider immediately|
Who should not be prepped for colonoscopy
- Patients with hypersensitivity to any of the ingredients of the the bowel cleansing agent.
- Those with a gastrointestinal obstruction that will prevent passage of liquid into the intestine.
- Patients with an ileus.
- Unconscious patients. In some instances, bowel cleansing agent can be given through a nasogastric tube.
- Inability to swallow. In certain cases, bowel cleansing agent can be given through a nasogastric tube.
- Patients with toxic colitis or toxic megacolon.