Cyclophosphamide is synthetic antineoplastic drug chemically related to the nitrogen mustards. Few years ago, PCP was the most common cause of serious lung infections in patients with AIDS. In children whose disease fails to respond adequately to appropriate adrenocorticosteroid therapy or in whom the adrenocorticosteroid therapy produces or threatens to produce intolerable side effects, CYTOXAN may induce remission. Tell your doctor immediately if you develop: unusual growths or lumps, swollen glands, unexplained or sudden weight loss, night sweats, pain in the pelvis, painful or frequent urination. Preparation and Handling of Solutions Parenteral drug cytoxan kauf products should be inspected visually for particulate matter and discoloration prior to administration, whenever solution and container permit.