What is the clinical course of hereditary methemoglobinemia?

Updated: Dec 09, 2018
  • Author: Mary Denshaw-Burke, MD, FACP; Chief Editor: Emmanuel C Besa, MD  more...
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The clinical course of hereditary forms of methemoglobinemia is generally benign. Patients are usually asymptomatic, except for the presence of chronic cyanosis. However, individuals with type IIb5 cytochrome reductase deficiency have a markedly shortened life expectancy, primarily because of multiple neurologic complications.

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