Have idiopathic peripheral neuropathy and fibromyalgia. I've been taking Lyrica for about 4 years. Am up to 200 mg divided into two doses per day. Compared to Neurontin, Lyrica is a walk in the park. I ran out of Lyrica the other day and took 100mg of Neurontin and man oh man was I ever wiped out and dull-headed. Before Lyrica, I used to take Neurontin, about 900/day. I was taking it mostly for sleep disorder as my pain levels were not predominant. When I stopped taking Neurontin, I suddenly felt alive and realized that Neurontin had been sedating my brain way too much. Plus I found that I kept having to increase my dose in order to get the effect.

Lyrica is not like that, but I will say that I don't like the blurred vision I've experienced with this drug. And it is freekin' expensive.
BTW, I added Cymbalta to my Lyrica med program for about 4 months last year and it helped with the pain about 20 to 40%, but my memory was so bad--short term and memory lapses where I had no recollection at all of some events--that I could barely function at work. Also had terrible constipation which apparently is common. But the kicker is that I withdrew from Cymbalta over a week, which, evidently was to short. I experienced the most horrendous withdrawal: daily migraines, stabbing headaches, brain zaps, nausea which lasted over 6 weeks. My neuropathy is getting worse and I could increase my Lyrica, but I'm trying to hang in there for now.

I recently added 100mg of 5HTP and it is really helping me sleep--the more sleepy I am the better I can cope with pain--the less pain med I need. And I've lost about 8 pounds from taking 5HTP (and mood is better). Hope this helps.