CHOPHOS 500MG INJECTION contains Cyclophosphamide, which belongs to a group of medicines called Cytotoxic agents or Anti-cancer agents. It is indicated for malignant diseases in adults and children (such as malignant lymphomas, Hodgkin’s disease, Non-Hodgkin’s lymphoma, lymphocytic lymphoma mixed-cell type lymphoma, histiocytic lymphoma, Burkitt’s lymphoma, multiple myeloma, chronic lymphocytic leukemia, chronic granulocytic leukemia, acute myelogenous and monocytic leukemia, acute lymphoblastic leukemia, mycosis fungoides, neuroblastoma, adenocarcinoma of the ovary, retinoblastoma, Ewing’s sarcoma, breast cancer. It is also used for minimal change nephrotic syndrome in children.