Gabapentin capsule can cause mild or serious side effects. The following list contains some of the key side effects that may occur while taking gabapentin. This list does not include all possible side effects.

For more information on the possible side effects of gabapentin, or tips on how to deal with a troubling side effect, talk with your doctor or pharmacist. Drowsiness, dizziness, loss of coordination, tiredness, blurred/double vision, unusual eye movements, or shaking (tremor) may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.