Fludarabine is a chemotherapy drug used primarily to treat leukemia and lymphoma. There are many synonyms for fludarabine that are used in the medical community to refer to this drug. These synonyms include Fludara, Fludarabin, Fludarabina, and Fludarabinum. All of these terms are used interchangeably to describe the same drug, and they may be used depending on the context in which the drug is being discussed. While these terms may vary, the drug itself is a potent chemotherapy agent that has proven to be effective in treating a variety of cancers.