Clear Liquid Diet: For Colonoscopy, Diverticulitis, and More

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How to Follow a Clear Liqu >

A clear liquid diet is pretty much exactly what it sounds like: a diet consisting of exclusively clear liquids.

These include water, broth, some juices without pulp, and plain gelatin. They may be colored, but they count as clear liquids if you can see through them.

Any foods that are considered liquid or partly liquid at room temperature are allowed. You can’t eat solid foods on this diet.

Doctors tend to prescribe clear liquid diets prior to certain medical procedures involving the digestive tract, such as colonoscopies.

They may also recommend this diet to help relieve distress from some digestive problems, such as Crohn’s disease, diverticulitis, and diarrhea. It might also be used after certain types of surgeries. This is because clear liquids are easily digested and help clean out the body’s intestinal tract.

On a clear liquid diet, the goal is to keep you hydrated while providing you with sufficient vitamins and minerals for energy. The diet is also intended to keep the stomach and intestines rested.

Clear liquids that are allowed include:

  • clear (fat-free) broth
  • clear nutritional drinks (Enlive, Ensure Clear)
  • carbonated sodas such as Sprite, Pepsi, and Coca-Cola
  • clear soups
  • coffee without milk or cream
  • hard candies (lemon drops or peppermint rounds)
  • honey
  • juices without pulp (apple and white cranberry)
  • lemonade without pulp
  • plain gelatin (Jell-O)
  • popsicles without fruit pulp or fruit pieces inside
  • sports drinks (Gatorade, Powerade, Vitamin Water)
  • strained tomato or vegetable juice
  • tea without milk or cream
  • water

You should avoid foods not on this list. For some tests, such as colonoscopies, doctors recommend you avoid clear liquids containing red or purple coloring.

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