Glossary: Purinethol

Symptoms or signs that begin and worsen quickly; not chronic.

Any substance, other than food, that is used to prevent, diagnose, treat or relieve symptoms of a disease or abnormal condition. Also refers to a substance that alters mood or body function, or that can be habit-forming or addictive, especially a narcotic.

Cancer that starts in blood-forming tissue such as the bone marrow and causes large numbers of blood cells to be produced and enter the bloodstream.

A drug used to treat acute lymphatic leukemia. It belongs to the family of drugs called antimetabolites. Also called Purinethol.