Ask your nurse if there is a medication that is appropriate for you. There are some ways to manage this problem that you can try on your own, as well. Eat small amounts of food more frequently. This allows you to eat more calories and protein without feeling so uncomfortable. You may find that high calorie liquids work better for you than solids.
Some research suggests that liquids leave the stomach more quickly than solids.
Use foods that are very high in calories and protein. By doing this, it is possible to eat smaller quantities of food and still receive adequate nutrition. You may not be able to eat regular meals. Several small snacks each day can be as nutritious as 3 meals per day. You may find that you are more comfortable if you snack several times each day instead of trying to eat fewer but larger meals.