Others may be unable to swallow properly, increasing the risk of breathing in food and choking. Recovering from a medical procedureįollowing general anesthesia, some people may experience nausea and vomiting. However, they might be able to consume liquids until 2 hours before surgery.įor some medical procedures, such as surgery on the intestines, a person may need to follow a clear liquid diet for several days. This makes it easier for a doctor to diagnose a variety of medical conditions.ĭoctors may recommend a clear liquid diet before performing an endoscopy or colonoscopy to examine the inside of a person’s bowels.Įven if a doctor has not recommended a clear liquid diet before surgery, a person will usually need to stop eating solid foods 8 hours beforehand. Preparation for a medical procedureįollowing a clear liquid diet before an imaging test or medical procedure ensures that nothing remains in the intestines. What is the purpose of a clear liquid diet?Ī doctor may recommend a clear liquid diet for a variety of reasons. Learn more about a full liquid diet here. This makes it harder for doctors to get an accurate result with intestinal screening tests.Ī person should not eat any solid foods, even fruits and vegetables, on a clear liquid diet. Products with red or purple coloring may be unsuitable before a screening test because they leave coloring in the intestinal tract that can resemble blood.
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