Is Lyrica Recommended While Taking Ativan And Gabapentin?

I have been on Ativan,Paxil,Welbutrin,Alprozolam,and Gabapentin,now they have me taking Amitriptylin 20mg. I am having alot of issues with the last med I have been put on. Ive wet the bed,it does nothing for the pain and I feel hung over every mourning. Would I benefit more from taking 450mg of Lyrica. I was given Lyrica 150mg 3 time in a day and I felt like a new person,I have an appetite no aniexty. I dont know how to start a talk with my doctor about swiching me to the 450 mg of Lyrica.