Definition

A drug that contains the active ingredient hydroxyurea and is used alone or with other anticancer drugs or radiation therapy to treat certain types of chronic myelogenous leukemia and head and neck cancer. It is also being studied in the treatment of other conditions and types of cancer. Hydrea stops cells from making DNA and may kill cancer cells. It may also make cancer cells easier to kill with radiation therapy. Hydrea is a type of antimetabolite.