Usually the effect is temporary, and most patients regain their fertility within a matter of months. Other unpleasant effects of radiation therapy include diarrhea, nausea, and vomiting. These problems can usually be controlled with medicatiion. Also, there may be skin reactions in the area being treated, and it is important to treat the skin gently. Lotions and creams should not be used on these areas without doctor's advice.
Loss of appetite can be a serious problem for patients receiving radiation therapy or chemotherapy.
Researchers are learning that patients who eat well are better able to withstand the side effects of their treatments. Therefore, good nutrition is important.