Acquired Methemoglobinemia Following Herbal Decoction Ingestion Presenting With Refractory Hypoxemia and Associated Generalized Seizure: A Case Report – Cureus By herbalstore Acquired Methemoglobinemia Following Herbal Decoction Ingestion Presenting With Refractory Hypoxemia and Associated Generalized Seizure: A Case Report Cureus Brought to you by Google News. Read the rest of the article here.