Surgery - full liquid diet; Medical test - full liquid diet
A full liquid diet is made up only of fluids and foods that are normally liquid and foods that turn to liquid when they are at room temperature, like ice cream. It also includes:
You can not eat solid foods when you are on a full liquid diet.
You may need to be on a full 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 full 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 are having trouble swallowing or chewing. If you are prescribed this diet for dysphagia (swallowing problems), your speech pathologist will give you more specific guidelines. Sometimes the full liquid diet is a step between a clear liquid diet to your regular diet.
You can eat or drink only things that are liquid. You may have these foods and drinks:
Ask your doctor or dietitian if you can include these foods in your full liquid diet:
Do not eat any kind of cheese, fruit (fresh, frozen, or canned), meat, and cereals that are not on your "OK" list.
Also, do not eat raw or cooked vegetables. And, do not eat ice cream or other frozen desserts that have any solids in them or on top, such as nuts, chocolate chips, and cookie pieces.
Try having a mix of 5 to 7 of the foods you can eat for breakfast, lunch, and dinner.
Liquid foods do not include mashed foods, such as mashed potato or avocado.
Eating only a full liquid diet can give you enough energy, protein, and fat. But it does not give you enough fiber. Also, you may not get all the vitamins and minerals you need. So, your doctor may recommend that you take certain vitamins and supplements.
This diet is safe for people with diabetes, but only when they are followed closely by their doctor.
For most people on a full liquid diet, the goal is to get 1,350 to 1,500 calories and 45 grams of protein a day.
If you need to be on a full liquid diet for a long time, you will need to be under the care of dietitian. Ask your doctor if you can eat these foods together to add calories:
Compass Group. Full liquid diet. Manual of Clinical Nutrition Management. bscn2k15.weebly.com/uploads/1/2/9/2/12924787/manual_of_clinical_nutrition2013.pdf. Updated 2013. Accessed August 2, 2018.
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.BACK TO TOP
Review Date: 7/14/2018
Reviewed By: Emily Wax, RD, CNSC, University of Virginia Health System, Charlottesville, VA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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