A drug used to treat some types of cancer, rheumatoid arthritis, and severe skin conditions, such as psoriasis. Rheumatrex stops cells from making DNA and may kill cancer cells. It is a type of antimetabolite. Also called amethopterin, methotrexate, and MTX.
Source: NCI Dictionary of Cancer Terms2007-10-08 Date last modified: 2009-03-13Methotrexate