What is involved in long-term monitoring methemoglobinemia?

Updated: Dec 09, 2018
  • Author: Mary Denshaw-Burke, MD, FACP; Chief Editor: Emmanuel C Besa, MD  more...
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Answer

Close outpatient follow-up care is required in patients treated for methemoglobinemia. Discharged patients should be reevaluated by a physician within 24 hours for any signs or symptoms of recurring disease. Patients should also be provided with strict discharge instructions detailing symptoms that should prompt immediate medical reevaluation, such as shortness of breath, increasing fatigue, or chest pain.

Once appropriate treatment has been instituted for acquired methemoglobinemia, identification and removal of the precipitating cause is all that is often necessary. Clear instructions to avoid future exposure to the precipitating agent (and related agents) should be given to the patient. If treatment is indicated on an ongoing basis, patients should be observed for therapeutic and toxic effects of treatment.

Outpatient medications for the treatment of cyanosis that is associated with chronic mild methemoglobinemia include oral methylene blue, ascorbic acid, and riboflavin.


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