My doctor prescribed 300mg of Gabapentin twice a day and the first morning dose I took just knocked me out completely. I resorted to half the dose and they make me very drowsy. Would like to hear from those of you who have been on Gabapentin for a while if they have this effect initially. I am taking this for restless body tremors and racing brain. My doc did not know what to prescribe after I told him increasing the dosage of Rivotril (Klonopin) made the symptoms worst. Out of desperation, I suggested Gabapentin :innocent1: I am also on Lamictal.