The study looked at over 4,000 women, under the age of 63, who were undergoing chemotherapy for breast cancer. The most common causes of landing in the hospital or emergency room due to side-effects of the treatment were fever and infection. White-blood cell or platelet count, dehydration, and electrolyte disorders were other side-effects associated with chemotherapy. Overall, the study found eight significant side-effects that were not necessarily reported by other, larger-scale clinical studies.
...[W]omen should discuss their specific situation with a cancer specialist or oncologist before making a serious decision about chemotherapy.