I have to get more sleep! The name of the drug is Procarin or Prokarin. Sorry. Here are the links (some of them). There is quite a bit of controversy about it and (SURPRISE!) some doubts about its effectiveness.
http://www.albany.net/~tjc/histamine99.html
http://www.msonly.org/library/files/procarin.html
http://thecompoundingrx.com/procarin.htm
http://www.msfacts.org/procarin.htm
http://disc.server.com/Indices/148446.html