I was just looking that up the other day in the archives... The
search criteria I used was
cream gabapentin ketamine,
Search Entire Posts, and
Show Results as Posts . (Links to specific searches don't copy/paste well.)
Most of these compounded creams are based on ketamine & gabapentin; beyond that they may vary somewhat. These posts listed precise ingredients & ratios:
http://neurotalk.psychcentral.com/post1050574-5.html
http://neurotalk.psychcentral.com/post1037548-1.html
http://neurotalk.psychcentral.com/post984577-5.html
and this thread from the
Reflex Sympathetic Dystrophy (RSD and CRPS) forum:
http://neurotalk.psychcentral.com/thread188668.html
This one just mentioned ingredients:
http://neurotalk.psychcentral.com/post1022466-7.html
Some versions include capsaicin.
Try the search for more.
Doc