Common gabapentin side effects include coordination problems, dizziness, fatigue, and nausea. In most cases, these side effects are minor and either require no treatment or are easily treated. Some side effects of gabapentin, however, are potentially serious and should be reported immediately to your healthcare provider, such as an unexplained rash, trouble breathing, and significant coordination problems that do not improve with time.
(Click Gabapentin Side Effects to read the complete eMedTV article. It provides detailed lists on common and rare side effects of the drug, as well as other side effects that should be reported to your healthcare provider.)