The symptoms of this condition include, rectal bleeding, rectal pain, bloody diarrhea, abdominal cramps and pain, and ice-cream Water or black coffee or tea with sugar substitute Day #3 Black tea or coffee with sugar substitute or water 5 saltine crackers 1 hard-boiled egg with 1 slice plain toast Water, diet soda or black tea or coffee with sugar substitute Dinner ½ cup sugar-free vanilla ice-cream Water or black coffee or tea with sugar substitute Food Substitutes The 3-day tuna diet is supposed to be followed in exactly the same way that it has been designed. To make it at home, you can