Gabapentin has soared in popularity as an alternative to opioids, but some patients are finding it can cause harm. After John Avery hurt his back at the gym, he was prescribed the drug by a pain management specialist. Avery said he experienced a severe protracted withdrawal when he stopped taking it.This led to neurological symptoms that make his original injury seem like a paper cut. These include shaking and a burning sensation throughout his body, muscle spasms, and a racing pulse. He has lost so much we ...