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
Old Crow Medicine Show join them on, that "the band inspired them to pick up the banjo and start their now famous country nights in London." Old Crow received the 2013 Trailblazer Award from the Americana Music Association. Current members of the band are: Former members of the band are: Old Crow Medicine Show Old Crow Medicine Show is an Americana string band based in Nashville, Tennessee, that has been recording since 1998. They were inducted into the Grand Ole Opry on September 17, 2013. Their ninth album, "Remedy", released in 2014, won the Grammy Award for Best Folk Album. The group's music has