Methanol intoxication

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Presentation

Headache NAV Epigastric pain

Complications

Vision loss Coma

Diagnosis

  • Anion gap metabolic acidosis
  • Increased osmolar gap (difference between measured and estimated osmolarity)
  • Optic disc hyperemia

Treatment

  • Fomepizole
  • Ethanol

Differential diagnosis

Ethylene glycol (kidney involvement)