Gabapentin is available in Canada by prescription only.

Known as



Effective against partial seizures (including secondary generalized tonic-clonic). Somewhat effective against primary generalized tonic-clonic seizures. Ineffective or worsens absence, myoclonic or tonic/atonic type seizures.

How to Use

Do not increase or decrease the dose without your doctor’s approval. Do not stop taking gabapentin without prior notice from your doctor. You may take gabapentin with food.

  • Loading dose = 900 to 1200 mg/d
  • Maintenance dose = 1800 to 6400 mg/d tridaily or quarter-daily
  • Exhibits dose-dependent absorption (less absorbed at higher doses)

Side Effects

Generally well tolerated. May cause headache, ataxia, fatigue, nausea, or somnolence in some patients.


Before using this gabapentin, inform your doctor if you:

  • are taking other prescription or non-prescription medications
  • have multiple seizures
  • are pregnant or breast feeding
  • drink alcohol
  • have kidney disease

If your seizures worsen while taking gabapentin, or if you experience a severe or unusual allergic reaction, call your doctor immediately. If your seizures are uncontrolled by this drug, do not drive or operate dangerous machinery until your dosage no longer poses a threat to you.


Gabapentin can be used with other anti-epileptic drugs without risk of interactions. Although it is not known to harm a fetus, it should be taken during pregnancy only if the benefit outweighs the unknown risk.

Missed Dose

If you miss your dose within four hours of your next dose, take it. Otherwise, simply resume your regular schedule.


Store at room temperature between 15°C and 30°C. Keep away from children, heat, light and moisture.


Capsules in various strengths.

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DisclaimerExpand Disclaimer Section

The material offered at this site is to provide general information about epilepsy to the public. It is not intended to be taken as medical advice. Although all material presented at this site has been thoroughly researched and is believed to be correct, Epilepsy Ontario accepts no liability. Consult your physician and/or neurologist with any questions you have. People with epilepsy should never discontinue anti-epileptic medications or make changes in activities unless specifically advised to do so by an attending physician.