When the chest and neck area is treated, individuals may have a dry, sore throat and may have some trouble swallowing. Sometimes, they have shortness of breath or a dry cough. Radiation therapy to the abdomen may cause nausea, vomiting, or diarrhea. Some individuals may have tingling or numbness in their arms, legs, and lower back. These side effects gradually disappear when treatment is over.
Loss of appetite can be a problem for individuals receiving chemotherapy or radiation therapy.
Researchers are learning that individuals who eat well are better able to tolerate the side effects of their treatment. Nutrition is an important part of the treatment plan. Eating well means getting enough calories to prevent weight loss and having enough protein in the diet to build and repair skin, hair, muscles, and organs. Many individuals find that eating many small meals and snacks throughout the day is easier than trying to have three large meals. The side effects that individuals have during cancer therapy vary from person to person and may even be different from one treatment to the next.