Gabapentin is an anticonvulsant which is also indicated in diabetic neuropathy. Common
side effects are dizziness, ataxia, fatigue, nausea and vomiting, joint pain, motion sickness etc. You must tell your physician if you are allergic to valacyclovir or acyclovir. any kidney disease, blood disorders, immune deficiencies, dizziness etc. side effects associated are nausea, vomiting, fatigue, sore throat, hemolytic uremic syndrome etc.