Patent medicine the patent medicines, some of their makers began replacing the opium tincture laudanum with acetanilide, a particularly toxic non-steroidal anti-inflammatory drug with analgesic as well as antipyretic properties that had been introduced into medical practice under the name "Antifebrin" by A. Cahn and P. Hepp in 1886. But this ingredient change probably killed more of the nostrum's users than the original narcotics did, since acetanilide not only caused an alarming cyanosis due to methemoglobinemia but was later discovered to cause liver and kidney damage. The occasional reports of acetanilide-induced cyanosis prompted the search for supposedly less toxic aniline derivatives, such
Faculty of Occupational Medicine (United Kingdom) use the postnominals MFOM. Election of Members of the Faculty to Fellowship (conferring the postnominals FFOM) is the Faculty’s way of recognising those who have made a particularly significant contribution to the practice of occupational medicine, or contributed significantly to the work of the Faculty. The faculty’s official journal is Occupational and Environmental Medicine, a monthly peer-reviewed medical journal which covers research in occupational and environmental medicine. Alongside this the Faculty produces a wide number of publications and guidance papers, including the highly influential "Ethics Guidance for Occupational Health Practice", "Guidance on Alcohol and Drug Misuse in the Workplace" and