Calcium Leucovorin Uses Calcium Leucovorin is used to prevent the harmful effects of methotrexate. It is also utilized to treat methotrexate overdose.
How Calcium Leucovorin works Calcium Leucovorin is a form of vitamin B. It functions by protecting healthy cells from the toxic effects of methotrexate, an anticancer medication, while enabling it to enter and eliminate cancer cells.