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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: ácido folínico

Folinic acid (foh-LIN-ik A-sid)
The active ingredient in a drug used to lessen the toxic effects of substances that block the action of folic acid, especially the anticancer drug methotrexate. Folinic acid is used to treat some types of anemia and is also used together with fluorouracil to treat colorectal cancer. It is also being studied in the treatment of other types of cancer and other conditions. Folinic acid is a form of folic acid. It is a type of chemoprotective agent and a type of chemosensitizing agent. Also called leucovorin.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.