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Dictionary of Cancer Terms

View in Spanish: Ametopterina

Amethopterin (uh-meth-OPE-TAYR-in)
A drug used to treat some types of cancer, rheumatoid arthritis, and severe skin conditions, such as psoriasis. Amethopterin stops cells from making DNA and may kill cancer cells. It is a type of antimetabolite. Also called methotrexate, MTX, and Rheumatrex.

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