Although rare, a red rash may indicate leukemia, which is a type of blood cancer. A leukemia rash can look like tiny dots, big plaques, or itchy bumps that do not turn white when you press them.

Leukemia is a cancer of the blood-forming tissues that often develops in the bone marrow. It affects cells that develop into blood cells, such as red blood cells, white blood cells, and platelets. The ...

Acute Lymphocytic Leukemia (ALL) is a rapidly progressing cancer of the blood and bone marrow that primarily affects white blood cells.