Discoloration of skin and urine after treatment with hydroxocobalamin for cyanide poisoning

Abstract

A 54-year-old woman was brought to hospital from an apartment fire. She had altered mental status, hypotension and evidence of inhalational injury, but no burns. Her carboxyhemoglobin level was 29%, and her lactate level was 16 mmol/L. She was treated with supplemental and hyperbaric oxygen for