I was taking 400 mg  of gabapentin a night for a month and I wwent into a mixed episode and was suicidal. The doctors could not say if gabapentin caused it. I am curious because I am wondering if I never took the gabapentin would i have deteratied. 

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I was taking the gabapentin then after about a month all my troubles seemed impossable and I was hopless it was worse than any episode i ever had and I could not stay still and had trouble sleeping for about a week and they put me on lithium and I got a lot better but not all the way beter.