Diet - clear liquid

Also known as: Clear liquid diet, Surgery - clear liquid diet or Medical test - clear liquid diet

Description

A clear liquid diet is made up of only clear fluids and foods that are clear fluids when they are at room temperature. It includes things such as:

  • Clear broth
  • Tea
  • Cranberry juice
  • Jell-O
  • Popsicles

Why you may Need This Diet

You may need to be on a clear liquid diet right before a medical test or procedure, or before certain kinds of surgery. It is important to follow the diet exactly to avoid problems with your procedure or surgery or your test results.

You also may need to be on a clear liquid diet for a little while after you have had surgery on your stomach or intestine. You may also need to be on this diet if you:

  • Have diarrhea
  • Are throwing up
  • Are sick to your stomach

What you can eat and Drink

You can eat or drink only the things you can see through. These include:

  • Plain water
  • Fruit juices without pulp, such as grape juice, filtered apple juice, and cranberry juice
  • Soup broth (bouillon or consommé)
  • Clear sodas, such as ginger ale and Sprite
  • Gelatin (Jell-O)
  • Popsicles that do not have bits of fruit, fruit pulp, or yogurt in them
  • Tea or coffee with no cream or milk added
  • Sports drinks that don't have color

These foods and liquids are NOT OK:

  • Juice with nectar or pulp, such as prune juice
  • Milk and yogurt

Try having a mix of 3 to 5 of these choices for breakfast, lunch, and dinner. It is OK to add sugar and lemon to your tea.

Your doctor might ask you to avoid liquids that have red coloring for some tests, such as a colonoscopy.

DO NOT follow this diet without the supervision of your doctor. Healthy people should not be on this diet longer than 3 to 4 days.

This diet is safe for people with diabetes, but only for a short time when they are followed closely by their doctor.

References

Compass Group. Clear liquid diet. In: Morrison. Manual of Clinical Nutrition Management. Updated 2013. bscn2k15.weebly.com/uploads/1/2/9/2/12924787/manual_of_clinical_nutrition2013.pdf. Accessed August 20, 2016.

Schattner MA, Grossman EB. Nutritional management. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease: Pathophysiology/Diagnosis/Management. 10th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 6.

Review date:
December 07, 2016
Reviewed by:
Emily Wax, RD, The Brooklyn Hospital Center, Brooklyn, NY. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.
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