"if the purpose the taking gabapentin is to hurl you into a state of psychosis then it gets a ten because this is a very real side effect of this drug. the pfizer company does not want you to know that it can and has caused many people to go into a psychotic state. not for a day mind you  but for as yet an indeterminate amount of time.they put on the warning do not abruptly stop this medication, but they don&#039;t tell you why. "