I have post herpetic neuralgia. I went from taking Lyrica 150MG 2x/day to taking Gabapentin 600MG 3x/day. This is the end of Day 4 and I am still getting shocks in my upper right teeth but have not had to take any Tramadol for 2 days.

When taking the Lyrica as mentioned above, I was pain free for 10 months and then began to get "zingers" again. My neurologist allows the switch due to the cost difference of the medications.