Cytoblastin 10mg Injection (Vinblastine Sulfate) is a chemotherapy medication used to treat various cancers, including breast cancer, testicular cancer, Hodgkin’s and non-Hodgkin's lymphoma, and Kaposi’s sarcoma. It stops cancer cell growth and is administered intravenously by a healthcare professional. Common side effects include hair loss, low blood cell counts, and nausea.