Side effects of gabapentin (( Full information))

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Common side effects of gabapentin

These common side effects of gabapentin may occur in more than 1 in 100 people. They are usually mild and go away on their own.

There are a few things you can do to help deal with them:feeling sleepy, tired or dizzy
These side effects should subside as your body gets used to gabapentin. If they do not go away within a week or two, your doctor may reduce your dose or increase it gradually. If that doesn’t work, your doctor may suggest a different medicine.

  • feeling sick (nausea)

Take gabapentin with or after a meal or snack. It can help even if you don’t eat rich or spicy food. Take small sips of water or other fluids to avoid dehydration. Signs of dehydration include urinating less than usual or having dark, strong-smelling urine.

  • being sick (vomiting)

Take small sips of water or other fluids to avoid dehydration. Signs of dehydration include urinating less than usual or having dark, strong-smelling urine. Do not take any other medicine to treat vomiting without first talking to a pharmacist or doctor.

If you take birth control pills and you get sick, your contraception may not protect you from pregnancy. Check Pill Packet for Advice

  • Diarrhea

Drink plenty of water or other fluids to avoid dehydration. Signs of dehydration include urinating less than usual or having dark, strong-smelling urine. Do not take any other medicine to treat diarrhea without first talking to a pharmacist or doctor.

If you take birth control pills and you have severe diarrhea for more than 24 hours while you are taking gabapentin, your contraceptive may not protect you from pregnancy. Check the pill packet for advice.

  • mood changes

If you think this medicine is causing mood changes, talk to your doctor. They may be able to switch you to a different medicine.

  • swollen hands and feet

Try to sit with your legs elevated and try not to stand for long. Exercising your arms slowly can help. Talk to your doctor if it doesn’t get better.

  • blurred vision

Avoid driving, cycling or using tools or machinery when this happens. If it lasts for more than a few days, talk to your doctor as they may need to change your treatment.

  • dry mouth

Try chewing sugar-free gum or sucking on sugar-free sweets.

  • difficulty getting an erection

Talk to your doctor. They may change your medication or provide other treatments that can help with this problem.

  • weight gain

Gabapentin can make you more hungry, so it can be harder to stop yourself from gaining weight. Try to eat a healthy, balanced diet without increasing your portion sizes. Don’t snack on foods that are high in calories, such as crisps, cakes, biscuits and sweets. If you feel hungry between meals, eat fruits and vegetables and low-calorie foods.

Increasing your exercise level will also help keep your weight stable.

  • memory problems

If you’re having problems with your memory, talk to your doctor. They want you to try a different medicine.

  • headache

Make sure you rest and drink plenty of fluids. It is best not to drink too much alcohol. Ask your pharmacist to prescribe a pain reliever. Headaches should usually go away after the first week of taking gabapentin. Talk to your doctor if they last longer than a week or are severe.

  • more frequent infections

If you notice this, talk to your doctor.

Keep taking the medicine, but talk to your doctor if this advice doesn’t help and the side effects bother you or don’t go away.

Serious side effects

Very few people who take gabapentin have a serious problem.

Call a doctor or contact 111 straight away if you have any serious side effects, including:

  • thoughts of harming or killing themselves – a small number of people taking gabapentin have had suicidal thoughts, which may occur after only one week of treatment
  • a high temperature, swollen glands that don’t go away, your eyes or skin turn yellow (this may be less obvious on brown or black skin), unusual bruising or bleeding, severe tiredness or weakness, unexpected muscle pain, or weakness, with or without a rash – these can be signs of a serious reaction
  • long-term abdominal pain, feeling sick or being sick – these can be warning signs of an inflamed pancreas
  • You are having dialysis treatment because of muscle pain or weakness and kidney failure
  • seeing things that are not there (hallucinations)

severe allergic reaction

In rare cases, it is possible to have a serious allergic reaction (anaphylaxis) to gabapentin.

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