Leucovorin is a compound similar to folic acid, which is a necessary vitamin. It has been around and in use for many decades. Leucovorin is a medication frequently used in combination with the chemotherapy drugs fluoruracil and methotrexate. Leucovorin is not a chemotherapy drug itself, however it is used in addition to these chemotherapy drugs to enhance anti cancer effects (with fluorouracil) or to help prevent or lessen side effects (with methotrexate).
Dr. Rachel West
Integrative Medicine in Los Angeles, CA