DECREASED WBC PRODUCTION. Lowered production of white blood cells is the most common cause of neutropenia. It can result from: medications that affect the bone marrow, including cancer drugs, chloramphenicol.
Neutropenia (having too few neutrophils) could be caused by:
Decreased erythrocyte production
Premature destruction of white blood cells
Sequestration and Margination of White Blood Cells
The formation of numerous, closely spaced rills due to the uneven removal of surface soil by streamlets of running water. Also known as rilling; rill wash; rillwork.