What should you eat after a colonoscopy?

Following a colonoscopy, most patients are advised to return to a regular diet, but to avoid any spicy or greasy foods. Mild nausea is usually present following the procedure, and some patients may not have a full appetite the same day; regular appetite is generally restored by the day following the procedure, according to Colon & Rectal Surgery Associates.

Most patients preparing for a colonoscopy procedure are restricted to a clear liquid diet that promotes cleansing of the bowel so that the results of the test are most accurate. Red or purple liquids should be avoided pre-procedure as they can stain the colon and give a false positive for blood.