Colonoscopy Glossary


Barium enema

A type of x-ray used to screen for colon cancer and other bowel abnormalities during which barium sulfate and air are introduced into the colon to improve the x-ray images.


Small amount of tissue removed during colonoscopy for further examination.

Bowel prep

See colonoscopy prep.


Final 6-foot-long segment of the digestive tract that removes solid waste from the body; it is part of the large intestine.

Colon cancer

A cancer that develops in the bowel or rectum. Also known as colorectal cancer.

Colon prep

See colonoscopy prep.


A long, thin, flexible instrument connected to a camera and video display monitor used to visually examine the inside of the colon.


Procedure to examine the entire colon.

Colonoscopy prep

Regimen prescribed by a physician to clean out the colon, usually used before a colonoscopy or other screening procedure. Also known as a bowel prep, colonoscopy preparation, and colon prep.

Colonoscopy preparation

See colonoscopy prep.

Colonoscopy screening

A colonoscopy performed to detect signs of colon cancer, even when there are no apparent symptoms of colon or other gastrointestinal issues.

Computed tomography (CT)

A method used by doctors to view the colon by combining a series of x-rays taken from many angles to produce a cross-sectional image.

Diagnostic colonoscopy

A colonoscopy performed if symptoms of colon cancer or gastrointestinal issues are present or if other tests yield abnormal results.


Sodium ions in the bloodstream that need to be replaced during and after a colonoscopy prep.


Drinking liquid to restore or maintain fluid balance; an essential component of a safe and effective colonoscopy prep.


A drug used to treat constipation.

Magnetic resonance imaging (MRI)

A test doctors use to create an image of the colon by using a magnetic field and radio wave energy.

Over-the-counter (OTC) laxative

A medicine used to treat constipation. It is important to note that most over-the-counter laxatives are not FDA approved for colonoscopy prep and do not offer sufficient electrolyte balance.


An abnormal tissue growth in the large intestine or colon. If not detected and removed, it can develop into cancer.


The final section of the colon, where waste is stored until the next bowel movement removes it from the body.


Procedure to examine the lower portion of the colon and rectum.

Split-dosing regimen

A colonoscopy prep regimen in which you take the first dose the day before the procedure and compete the prep on the day of the procedure.

Virtual colonoscopy

A procedure in which a doctor inspects the inside of the large intestine for abnormal growths by using magnetic resonance imaging (MRI) or computed tomography (CT).

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Indication for MOVIPREP

MOVIPREP® (PEG-3350, sodium sulfate, sodium chloride, potassium chloride, sodium ascorbate and ascorbic acid for oral solution) is an osmotic laxative indicated for cleansing of the colon as a preparation for colonoscopy in adults 18 years of age or older.

Important Safety Information about MOVIPREP

  • Do not take MOVIPREP® (PEG-3350, sodium sulfate, sodium chloride, potassium chloride, sodium ascorbate and ascorbic acid for oral solution) if you have a gastrointestinal (GI) obstruction (a blockage in your bowel), bowel perforation (an opening in the wall of your stomach or intestine), gastric retention (problems with food and fluid emptying from your stomach), ileus (bowel muscle unable to move stomach contents), toxic colitis (damage to the thickness of the intestinal wall) or toxic megacolon (an extremely dilated or distended colon with fever and/or abdominal pain at times), or if you have a known allergy to MOVIPREP or any of its components.
  • It is important to drink sufficient liquids before, during, and after the use of MOVIPREP. Liquid and blood salt changes can lead to serious side effects including abnormal heartbeats, seizures, and kidney problems. Talk to your doctor before taking MOVIPREP if you take any medications that increase the risk of blood salt abnormalities or if you have known or suspected low blood salt (sodium) level (hyponatremia).
  • If you have kidney problems or if you take medication that affects kidney function, talk to your doctor before taking MOVIPREP.
  • If you have suspected bowel blockage or a suspected opening in the wall of your stomach or intestine, talk to your doctor before taking MOVIPREP.
  • Talk to your doctor before taking MOVIPREP if you have problems swallowing, if you have gastric reflux, or if you are predisposed to aspiration.
  • If you have a condition that destroys red blood cells called glucose-6-phosphate dehydrogenase (G6PD) deficiency, talk to your doctor before taking MOVIPREP.
  • Please be advised that MOVIPREP contains 131 mg of phenylalanine per treatment.
  • If you are pregnant or planning to become pregnant, talk to your doctor before taking MOVIPREP.
  • In clinical studies with MOVIPREP, the most common side effects for split dosing were malaise (feeling uneasy), nausea, stomach (abdominal) pain, vomiting, and upper stomach pain. The most common side effects for evening only dosing were stomach swelling (abdominal distension), anal discomfort, thirst, nausea, stomach (abdominal) pain, sleep disorder, rigors (body shakes), hunger, malaise (feeling uneasy), vomiting, and dizziness.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit or call 1-800-FDA-1088.

For product information, adverse event reports, and product complaint reports, please contact:

Salix Product Information Call Center
Phone: 1-800-508-0024
Fax: 1-510-595-8183

Please click here for complete Prescribing Information for MOVIPREP. 

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