Gabapentin vs Pregabalin Understanding Pain Relievers. Pregabalin and gabapentin are very similar medications prescribed to help treat epilepsy and neuropathic (nerve) pain. Although they are relatively similar in both their structure and mechanism of action, there are some important differences to understand to help you and your doctor decide which drug is best for you. Unfortunately... https://secondnewlife.com/gabapentin-vs-pregabalin/