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Neutropenia

Neutropenia
(Agranulocytosis; Granulocytopenia)
The Merck Manuals Online Medical Library
Drug‐induced neutropenia is one of the most common causes of neutropenia. Drugs can decrease neutrophil production through toxic, idiosyncratic, or hypersensitivity mechanisms or increase peripheral neutrophil destruction through immune mechanisms. It may result from aminopyrine, propylthiouracil , penicillin, or other antibiotics. Severe dose‐related neutropenia occurs predictably after cytotoxic cancer drugs or radiation therapy suppresses bone marrow production. Neutropenia due to ineffective marrow production can occur in megaloblastic anemias caused by vitamin B12 or folate deficiency. Usually, macrocytic anemia and sometimes mild thrombocytopenia develop simultaneously. Infections can cause neutropenia by impairing neutrophil production or by inducing immune destruction or rapid use of neutrophils.
Full Text: http://www.merck.com/mmpe/sec11/ch132/ch132b.html


Keywords: Drug‐induced neutropenia advanced drjefftop

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