Hey there damo123.. I haven't heard of this arcoxia, so I did some looking and this is what I found..
"...Graham, of the agency's Office of Surveillance and Epidemiology, warned an FDA advisory panel Thursday that Arcoxia would be "a potential public-health disaster" because it raises heart attack and stroke risk. The panel voted 20 to 1 against recommending approval of Arcoxia, which critics have likened to Vioxx, the arthritis drug Merck withdrew in September 2004 because of cardiovascular safety concerns..."
Here is the link, it was on USATODAY.com .. Do you/your dad live in the states? Good luck to you and your father, please let us know how he is doing..
Duck