Adverse effectOnsetEvaluationTreatment
DiarrheaSeven to 10 days after start of chemotherapyStool bacterial culture If Clostridium difficile positive, use metronidazole (Flagyl)
If C. difficile negative, use an antimotility agent such as loperamide (Imodium) or diphenoxylate/atropine (Lomotil)
Stool C. difficile antigen
Fecal occult blood testing
AlopeciaSeven to 10 days after start of chemotherapyShave remaining hair from head; wear wigs or scarves
Chemotherapy-induced anemiaSeveral weeks after start of chemotherapyRule out other causes of anemia (e.g., bleeding, hemolysis, nutritional deficiency)Recombinant erythropoietin (epoetin alfa [Epogen], darbepoetin alfa [Aranesp]) if hemoglobin is less than 11 g per dL (110 g per L)