Clear Liquid Diet

Clear Liquid Diet

A clear liquid diet is one that has foods and drinks made from liquids that you can see through. These foods are easy to eat and don't leave anything in the gastrointestinal tract.

Do not eat this way unless you are told to. It may be used when the gastrointestinal tract needs to be free of food or needs to rest, such as:

  • Before a test or surgery
  • After surgery before eating normal food
  • During flare-ups of problems like diverticulitis

This way of eating does not give you enough calories. Be sure your doctor is watching you closely. Do not eat this way for more than a few days.

Foods You Can Have

  • Water
  • Tea or coffee (no cream)
  • Juices without pulp like apple, grape, cranberry, prune, and lemonade
  • Nutritional drinks
  • Soda
  • Clear broth
  • Gelatin without bits of fruit
  • Popsicles without fruit or cream
  • Italian ice

You can also have sugar, salt, and pepper.

Foods You Should Not Have

Any foods not on the above list, such as:

  • Milk
  • Cream
  • Orange juice
  • Grapefruit juice
  • Tomato juice
  • Smoothies
  • Milk shakes
  • Soup
  • Oatmeal
  • Cream of wheat

RESOURCES:

American Gastroenterological Association
http://www.gastro.org
National Institute of Diabetes and Digestive and Kidney Diseases
https://www.niddk.nih.gov

CANADIAN RESOURCES:

Dietitians of Canada
http://www.dietitians.ca
Public Health Agency of Canada
http://www.phac-aspc.gc.ca

References:

Colonoscopy. EBSCO DynaMed Plus website. Available at: http://www.dynamed.com/topics/dmp~AN~T114112/Colonoscopy. Updated July 30, 2018. Accessed October 1, 2018.
Last reviewed September 2018 by EBSCO Medical Review Board Dianne Scheinberg Rishikof MS, RD, LDN
Last Updated: 10/1/2018

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This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.

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