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What does it do?

Gabapentin is used to treat and prevent some types of pain and seizures.

How should you take it?

Take gabapentin regularly as directed with a glass of water.

What if you forget a dose?

Take the missed dose as soon as possible and continue as directed.

Can you take other medicines?

Some medicines available without a prescription may react with gabapentin including:

  • anti-sickness medicines (e.g. Sea-legs®)
  • some antihistamines (may be in anti-allergy, anti-nausea and cough/cold medicines)

Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products (e.g. ginkgo) or recreational drugs (e.g. ecstasy).

What side effects might you notice?

Side EffectsRecommended action

Skin rash, skin peeling or blisters

Stop taking and see your doctor immediately

Suicidal thoughts

Swollen lips, tongue, throat or face

Tell your doctor immediately

Changes in vision

Confusion, loss of co-ordination/walking or handwriting problems, memory loss, mood changes, tremor, trouble concentrating

Tell your doctor

Dizziness, drowsiness, headache

Tiredness or weakness, muscle aches and pains

Swollen feet or legs

Change of appetite, weight gain, dry mouth

Impotence

Tell your doctor if troublesome

Stomach upset

Take with food

If you notice any other effects, discuss them with your doctor or pharmacist.

Other information:

  • Tell your doctor if you have kidney problems.
  • Tell your doctor if you are pregnant, planning to become pregnant, or breastfeeding.
  • Gabapentin may make you dizzy or sleepy and make it dangerous to drive, operate machinery or do other activities that require you to be alert. Limit alcohol intake because it can increase these effects.
  • Do not stop taking gabapentin without talking to your doctor first, unless you have a skin rash (see Side Effects).

This leaflet contains important, but not all, information about this medicine.

Prepared by the PILs Committee at Christchurch Hospital, Canterbury District Health Board, New Zealand. January 2018

For more general information about this sheet and its contents, see: What does a My Medicines sheet cover?

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About My Medicines

My Medicines Patient Information Leaflets (PILs) contain important, but not all, information about the medicines they describe.

For more information about the sheets, see: What does a My Medicines sheet cover?

My Medicines is developed by a team at the Canterbury District Health Board. Our team is made up of doctors, pharmacists, and a non-medical person to help us keep to plain language. We also discuss our information with specialist health professionals or groups when needed