I absolutely agree about the efficacy of PreGabalin. I had major thoracic surgery for severe pain and numbness from my right buttocks down to my right foot. That back surgery worked wonders almost totally eliminating the pain and numbness. That lasted about 10 months and then the numbness came back with a vengeance (no pain though- thank you, thank you, thank you!) Pain management then suggested PreGabalin, and on the second day of its use the numbness was reduced 50% in both intensity and duration, and no noticeable side effects! It also greatly elevated my mood, which had suffered because of dealing with too many unexpected and serious medical issues in a few short years (been healthy all my life so I am kind of a baby when I get sick). Perhaps it doesn't work that well for everyone, but for those that it does it is a blessing!