title: Why does methylene blue reduce methemoglobin in benzocaine poisoning but beneficially oxidize hemoglobin in cyanide poisoning?
authors.affiliation: Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA. Electronic address: talston@partners.org.
authors.forename: Theodore A
authors.initials: TA
authors.lastname: Alston
mesh_terms: D000931:Antidotes / Q000494:pharmacology / Q000627:therapeutic use*; D001566:Benzocaine / Q000506:poisoning*; D003486:Cyanides / Q000506:poisoning*; D006454:Hemoglobins / Q000378:metabolism; D006801:Humans; D008708:Methemoglobinemia / Q000139:chemically induced / Q000188:drug therapy; D008751:Methylene Blue / Q000494:pharmacology / Q000627:therapeutic use*
chemical_list: D000931:Antidotes; D003486:Cyanides; D006454:Hemoglobins; D008751:Methylene Blue; D001566:Benzocaine