A condition usually caused by exposure to toxins, radiation, or certain drugs in which the bone marrow stops producing blood cells is:

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Aplastic anemia is a condition in which the bone marrow stops producing all types of blood cells (red blood cells, white blood cells, and platelets), usually due to exposure to certain toxins, radiation, or drugs. Sickle cell anemia, iron deficiency anemia, and thalassemia are all conditions that primarily affect the production or function of red blood cells, but do not necessarily involve a complete cessation of blood cell production.

A Condition Usually Caused by Exposure to Toxins, Radiation, or Certain