How do drugs and elements cause aplastic anemia?

Updated: Jan 29, 2021
  • Author: Sameer Bakhshi, MD; Chief Editor: Emmanuel C Besa, MD  more...
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Drugs and elements (eg, chloramphenicol, gold) may cause aplasia of the marrow. The immune mechanism does not account for the marrow failure in idiosyncratic drug reactions. In such cases, direct toxicity may occur, perhaps due to genetically determined differences in metabolic detoxification pathways. For example, the null phenotype of certain glutathione transferases is overrepresented among patients with aplastic anemia.

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