This guide helps chemotherapy patients manage diarrhea, a common treatment side effect. It provides practical self-care strategies including tracking bowel movements, staying hydrated with 6-8 cups of clear liquids daily, avoiding certain foods like caffeine and fatty foods, eating small frequent meals, and using loperamide medication. The material emphasizes skin care around the anus and clearly outlines serious warning signs requiring medical attention such as fever, dehydration symptoms, or blood in stool.