I have been on 200 mg of Lyrica, twice a day, for years now and I have always thought it had contributed to my fogginess and general difficulty in thinking. Now, after reading several of your posts, I am rethinking that and feeling that maybe it just may all be contributed by my pain medicine, Oxycodone 15 mg every 4 hours about 4 times a day.
I take other medications for depression, and know that they too, may be part of the problem, but I was on them for years and years before the Lyrica and Oxy, so I tend to think it is coming from them a lot less than the Lyrica and Oxy.
It's interesting to hear of how everyone relates to different meds and of course, no two people are alike.
Have a blessed day.