If you finish up taking an overdose of the drugs you'll land in deep trouble. There are cases where an overdose of Gabapentin has proved to be fatal. Just in case there's an overdose of the drugs then the patient must tend emergency medical treatment. Refrain from drug abuse. If you are feeling that the prescribed dose of Gabapentin isn't giving the specified effect then don't make any changes to the dosage on your own. Ask the doctor for an equivalent.