Methoxyflurane is a fluorinated volatile anesthetic that has been repurposed as a low-dose inhaled analgesic for the treatment of moderate to severe acute trauma-related pain. Although it was once used as a general anesthetic, that indication was abandoned after prolonged exposure to high doses was linked to dose-dependent nephrotoxicity and occasional hepatotoxicity. Consequently, methoxyflurane is no longer approved
Analgesic Properties and Safety of Methoxyflurane