Captibin Tablet is used for treating breast, colon, and rectum cancer, as well as other conditions. It is taken with food and prescribed by a doctor. Side effects include vomiting, weakness, nausea, abdominal pain, and diarrhea. It may reduce blood cell count, increasing susceptibility to infections. Regular blood tests are required. Before taking it, inform your doctor about liver, kidney, and other medications. It is not recommended during pregnancy or breastfeeding. Effective contraception is essential to avoid pregnancy. It is taken alone or in combination with other medications during chemotherapy.