Neurontin may cause some side effects. Although not all of these Neurontin side effects may occur, if side effects of Neurontin do occur they may need medical attention.

Other Neurontin side effects not listed above also may occur in some patients taking Neurontin. If you notice any other Neurontin side effects, check with your doctor.

Common Neurontin Side Effects:

• Blurred or double vision
• Dizziness
• Drowsiness
• Muscle ache or pain
• Swelling of hands, feet, or lower legs
• Trembling or shaking
• Unusual tiredness or weakness

Less Common Neurontin Side Effects

• Back pain
• Constipation
• Decrease in sexual desire or ability
• Diarrhea
• Dryness of mouth or throat
• Frequent urination
• Headache
• Indigestion
• Low blood pressure
• Nausea
• Noise in ears
• Runny nose
• Slurred speech
• Trouble sleeping
• Trouble thinking
• Twitching
• Vomiting
• Weakness or loss of strength
• Weight gain

Check with your doctor as soon as possible if any of the following Neurontin side effects occur:

• Clumsiness or unsteadiness
• Continuous, uncontrolled, back-and-forth and/or rolling eye movements

Symptoms of Neurontin (Gabapentin) Overdose:

• Diarrhea
• Double vision
• Drowsiness
• Sluggishness
• Slurred speech