Ease Side Effects With Food. Certain foods can help ease the common discomforts from cancer treatment. 1  Conquer constipationby drinking water and eating high-fiber foods like beans, lentils, vegetables, and fresh or dried fruit.  Drive away diarrhea with bland foods such as rice, bananas, and apples. Drink water to stay hydrated.
1 While the amount of baking soda you will use as a substitute for baking powder is always 1/4 of the amount of baking powder called for, note that the volume of your acidic ingredient will vary from recipe to recipe.
Make Your Own. The standard substitution for powdered sugar is to whir a cup of granulated sugar plus a tablespoon of corn starch in a blender. If you're avoiding corn starch, use potato, tapioca or arrowroot starch instead, depending on your diet restrictions. With a good blender and enough time, these replacements will probably go unnoticed.