Cheshire and Wirral Partnership NHS Trust Pharmacy
Countess of Chester Health Park, Chester, CH2 1BQ
http://www.cwp.nhs.uk/

01244-397494

What sort of side-effects might occur if I am taking gabapentin?

The table below will show you some of the main side effects you might get from gabapentin.

Side effect

What happens

What to do about it

COMMON (more than about 1 in 10 people might get these)

Sleepiness

You feel sleepy, drowsy or sluggish the next morning.

Don't drive or use machinery. This should wear off after a few weeks. If it does not, discuss with your doctor – it may be possible to adjust the dose.

Dizziness

Feeling light-headed and faint.

Don't stand up too quickly.
Try and lie or sit down if you feel it coming on.
Don't drive.

Lethargy

You feel tired all the time and don't feel like doing anything.

Your dose may be too high. Contact your doctor to discuss this.

Blurred vision

Things look fuzzy and you can't focus properly.

Don't drive. See your doctor if you are worried. He or she may be able to adjust your dose. You won't need glasses.

Stomach upset

This includes feeling and being sick, and indigestion.

If it lasts for more than a week or so, see your doctor. Your pharmacist may be able to help with something for indigestion.

Tremors

Feeling shaky.

It is not dangerous. If it troubles you, contact your doctor.

UNCOMMON (less than about 1 in 10 people might get these)

Weight gain

Eating more and putting on weight.

A diet full of vegetables and fibre may help prevent weight gain. See also a separate question in this section.
Click here for a few tips on how to help you feel less hungry and lose weight.

Sore throat

Sore throat or cough

This should wear off. If not, mention it to your doctor next time you meet.

Stammer

Stuttering or stammer

This should wear off. If not, mention it to your doctor next time you meet.

Anxiety

Feeling more anxious or nervous

This should wear off. If not, mention it to your doctor next time you meet.

Do not be worried by this list of side effects. Some people get no side effects at all and others may get some effects that are not listed in this table. Side effects tend to be worse with higher doses and also if you have kidney problems (when a lower dose is needed). Starting with a lower dose sometimes helps. If you think you might have a side effect to your medicine, you should discuss this with your doctor, nurse of pharmacist. You should also see the manufacturer's information leaflet.

Updated 12.11

Tel: 01244 397397
Opening hours: Monday to Friday: 8.30-16.30

Details: The Cheshire and Wirral Partnership NHS Foundation Trust Pharmacy has four main aims:

  1. Provision of accurate and independent education and information about drug therapy to service users and carers
  2. Information and education for Trust and other professionals, and voluntary helpers
  3. Clinical activities to help ensure the optimum use of drug therapies
  4. Drug use management to ensure the most cost-effective use is made of resources

Patient advice and liaison: The patient advice and liaison service (PALS) is an accessible, confidential, free service that supports service users, carers, relatives and friends by listening to their views and concerns. PALS service operates from 9am to 5pm on tel: 0800 1954462, pals@cwp.nhs.uk