Irinotecan is a cancer medication that interferes with the growth and spread of cancer cells in the body. Irinotecan is used to treat cancers of the colon and rectum. It is usually given with other cancer medicines in a combination chemotherapy. Irinotecan may also be used for purposes not listed in this medication guide.
Camptosar is used alone in the combination of other drugs to certain cancers including cancer of the colon and rectum. While is primarily found in pill form, it is can also be administered by an intravenous injection. Camptosar is used as per the physician's or pharmacist's instructions.