Description:
Leucovorin is used to prevent harmful effects of methotrexate when methotrexate is used to treat certain types of cancer.
Leucovorin is also used to treat people who have accidentally received an overdose of methotrexate or similar medications.
Leucovorin is in a class of medications called folic acid analogs. It works by protecting healthy cells from the effects of methotrexate or similar medications while allowing methotrexate to enter and kill cancer cells.