A full liquid diet includes liquids or foods that are liquid at room temperature. Liquids are easier to swallow and digest than solid foods. A full liquid diet allows you to have a variety of liquids for better nutrition than limited liquid diets. This diet may be recommended:

  • To help prepare for a test or procedure
  • To help recover from a surgery
  • If you are having trouble swallowing or chewing
  • It is important to avoid solid foods to prevent inaccurate test results or delayed recovery.

    Foods Allowed

    You can eat anything that is liquid or liquid at room temperature for example:

  • Water
  • Milk, soy milk, eggnog
  • Fruit juices without pulp, strained vegetable juice
  • Sodas, tea or coffee
  • Plain ice cream, frozen yogurt, sherbet, or popsicles
  • Yogurt without fruit pieces
  • Gelatin
  • Liquid supplement drinks or instant breakfast powders
  • Soup broths (cream soups can be strained but soups should not have solids)
  • Sugar, honey, and syrups
  • Butter, margarine, oil, cream, sour cream
  • Custard, pudding
  • Talk to your doctor or dietitian if some of the following may be allowed in limited amounts:

  • Cooked cereals
  • Strained meats—baby food
  • Potatoes pureed in soup
  • Foods to Avoid

    Avoid any solid foods including:

  • Mashed foods like mashed potatoes
  • Raw or cooked vegetables
  • Cheese
  • Fruits (fresh or canned)
  • Meat or cereal not approved by your doctor or dietitian
  • Ice cream or other liquid foods with solids in them like nuts or chocolate pieces
  • Prolonged Diet

    Most will only spend a short time on this diet. If this is a long-term diet, you may need to increase your calorie intake. Some steps to help increase your calories on a liquid diet:

  • Add breakfast powder to milk, pudding, custards, and milkshakes
  • Add strained meats (consistency of baby food) to broths—check with your doctor or dietitian before adding meat
  • Add butter or margarine to hot soups
  • Add sugar or syrup to beverages
  • You may also meet with a dietitian to plan meals for balanced nutrition while you are on this diet.