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Gabapentina

Neurontin

Read the information leaflet from inside the pack.

Gabapentin can cause you to feel sleepy. Make sure your reactions are normal before you drive and before you use tools or machines.

Do not take antacid preparations during the two hours before you are due to take gabapentin, or during the two hours after you have taken a dose.

Take gabapentin regularly every day. Do not stop taking it unless your doctor tells you to do so.

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About gabapentin

Tipo de medicamento

Un medicamento antiepiléptico

Utilizado para

Epilepsy; neuropathic pain

También llamado

Neurontin®

Disponible como

Tablets, capsules and oral liquid medicine

Gabapentin belongs to a group of medicines known as anti-epileptic medicines, although it is prescribed for the treatment of several different conditions. You may have been prescribed it for the treatment of partial seizures, which are a type of epilepsy. A seizure is a short episode of symptoms which is caused by a burst of abnormal electrical activity in the brain. With a partial seizure, the burst of electrical activity stays in one part of the brain. Therefore, you tend to have localised or 'focal' symptoms. Gabapentin is used to control the symptoms of seizures and works by reducing the abnormal electrical activity in the brain. Exactly how it does this is not fully understood.

Gabapentin is also prescribed to treat certain types of long-lasting pain caused by damage to nerves. This type of pain, called neuropathic pain, can be caused by a number of different diseases. These include diabetes (where it is called diabetic neuropathy) and shingles (where it is called postherpetic neuralgia).

Although gabapentin is only licensed for use in epilepsy and neuropathic pain, it is also prescribed to help to prevent attacks of migraine. If you have been given it for this reason then you should speak with your doctor if you have any questions about your treatment.

Before taking gabapentin

Some medicines are not suitable for people with certain conditions, and sometimes a medicine may only be used if extra care is taken. For these reasons, before you start taking gabapentin it is important that your doctor knows:

  • Si está embarazada, esperando un bebé o en período de lactancia.

  • Si tiene algún problema con el funcionamiento de sus riñones.

  • Si tiene niveles elevados de azúcar en sangre (diabetes mellitus).

  • Si tiene problemas respiratorios como asma o EPOC.

  • If you have ever had a mental health problem known as psychosis.

  • If you are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, as well as herbal and complementary medicines. This is particularly important if you are taking an opioid painkilling medicine such as morphine.

  • Si alguna vez ha tenido una reacción alérgica a un medicamento.

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How to take gabapentin

  • Before starting this treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about gabapentin and will provide you with a full list of the side-effects which you may experience from taking it.

  • Take gabapentin exactly as your doctor tells you to. There are several different strengths of gabapentin tablets and capsules available, and you could be prescribed more than one strength.

  • You will be advised to take a low dose when you first start taking gabapentin, and then to increase the dose over a few days. This is to allow your body to get used to it. Most people take three doses a day once they are on a regular maintenance dose. Your doctor will explain all this to you, and the dosing directions will be printed on the label of the pack. If you are still unsure about how to take your doses, ask your pharmacist to advise you.

  • You can take gabapentin before or after food. Swallow the tablets/capsules with a drink of water. If you have been supplied with oral liquid medicine, see the instructions below for using the oral dosing syringe.

  • Once you are taking a regular amount of gabapentin, try to take your doses at the same times each day. This will help you avoid missing doses.

  • If you do forget to take a dose, take one as soon as you remember. Try to take the correct number of doses each day, but do not take two doses at the same time.

  • If you need to take an antacid or indigestion remedy, do not take it during the two hours before or the two hours after you take gabapentin. This is because antacids reduce the amount of gabapentin that your body absorbs.

Instructions for using the dosing syringe with Gabapentin Rosemont Oral Solution

  1. Remove the bottle cap, and push the syringe adaptor into the top of the open bottle.

  2. Insert the syringe into the adapter.

  3. Dé la vuelta al frasco (con la jeringa conectada a él).

  4. Gently pull out the plunger of the syringe so that the solution fills the syringe to the mark which corresponds to your dose.

  5. Vuelva a girar el frasco hacia arriba y retire la jeringa del frasco.

  6. Put the tip of the syringe into your mouth, and gently push the plunger so that the liquid is released into your mouth.

  7. Replace the bottle cap. Wash the syringe with water after each use.

Aproveche al máximo su tratamiento

  • Procure acudir a las citas periódicas con su médico. Así podrá comprobar su evolución.

  • When you first start a new treatment for epilepsy there may be a change in the number or type of seizures you experience. Your doctor will advise you about this. If you are a woman and want to have a family, make sure that you discuss this with your doctor before you become pregnant. This is so that you can be given advice about your treatment from a specialist.

  • People with epilepsy must stop driving. Your doctor will advise you about when it may be possible for you to start driving again. This will usually be after a year free of seizures.

  • A small number of people have developed mood changes or thoughts about suicide whilst being treated with anti-epileptics. If this happens to you, you must tell your doctor about it straightaway.

  • Si compra algún medicamento, compruebe siempre con un farmacéutico que es adecuado para tomarlo con sus otros medicamentos.

  • You must take gabapentin regularly every day. Stopping treatment suddenly can cause problems. If it becomes necessary for the treatment to stop, your doctor will want you to reduce your dose over a few days.

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Can gabapentin cause problems?

Along with their useful effects, most medicines can cause unwanted side-effects although not everyone experiences them. The table below contains some of the most common ones associated with gabapentin. You will find a full list in the manufacturer's information leaflet supplied with your medicine. The unwanted effects often improve as your body adjusts to the new medicine, but speak with your doctor or pharmacist if any of the following continue or become troublesome.

Common gabapentin side-effects


¿Qué puedo hacer si me ocurre esto?

Feeling sleepy, tired, unsteady or dizzy; blurred vision and other eyesight problems

No conduzca ni utilice herramientas o máquinas

Dolor de cabeza

Bebe mucha agua y pide a tu farmacéutico que te recomiende un analgésico adecuado. Si los dolores de cabeza persisten, informe a su médico.

Feeling sick (nausea) or being sick (vomiting), indigestion, stomach ache

Coma alimentos sencillos: evite las comidas ricas o picantes.

Diarrea

Beber mucha agua para reponer los líquidos perdidos

Estreñimiento

Intenta seguir una dieta equilibrada y beber varios vasos de agua al día.

Boca seca

Prueba a mascar chicle sin azúcar o chupar caramelos sin azúcar

Infections, flu-like symptoms, increased appetite, flushing,

increased blood pressure, changes in weight, changes in emotions or mood, fits, movement difficulties, feeling shaky, difficulties sleeping, breathing difficulties, cough, gum changes, bruises, muscle or joint pains, impotence, and swollen feet or ankles

Si alguno de estos síntomas le resulta molesto, consulte a su médico.

Important: gabapentin has been associated with a number of unwanted effects which affect the blood, pancreas and liver. Although these occur less commonly than the side-effects listed above, you must let your doctor know straightaway if you notice any of the following as they could be serious:

  • Sickness (nausea and vomiting) with persistent stomach pain (these could be symptoms of an inflamed pancreas).

  • A skin rash, or any swelling of your mouth or face (these could be symptoms of an allergic reaction).

  • Any yellowing of your skin or of the whites of your eyes (these could be symptoms of jaundice).

  • Any unusual bruising or bleeding (these could be symptoms of a blood disorder).


Taking gabapentin alongside opioid medicines such as codeine and morphine can increase the risk of serious side-effects including breathing difficulties and loss of consciousness. You should avoid these combinations of medicines if possible.

Si experimenta cualquier otro síntoma que considere que puede deberse al medicamento, consulte a su médico o farmacéutico.

How to store gabapentin

  • Mantenga todos los medicamentos fuera del alcance y de la vista de los niños.

  • Almacenar en un lugar fresco y seco, lejos del calor y la luz directos.

  • Once a bottle of Gabapentin Rosemont Oral Solution has been opened it will keep for one month. Do not use it after this time, and make sure you have a fresh supply.

Información importante sobre todos los medicamentos

Información importante sobre todos los medicamentos

Si va a someterse a una operación o a un tratamiento dental, comunique a la persona que lleve a cabo el tratamiento qué medicamentos está tomando.

Never take more than the prescribed dose. If you suspect that you or someone else might have taken an overdose of this medicine, go to the accident and emergency department of your local hospital. Take the container with you, even if it is empty, so the doctor knows what has been taken.

Este medicamento es para usted. Nunca se lo dé a otras personas aunque su enfermedad parezca ser la misma que la suya.

No guarde medicamentos caducados o que no desee. Llévelos a su farmacia local, que se encargará de eliminarlos por usted.

Si tiene cualquier duda sobre este medicamento pregunte a su farmacéutico.

Informar de los efectos secundarios de un medicamento o vacuna

Si experimenta efectos secundarios, puede notificarlos en línea a través del sitio web de la Tarjeta Amarilla.

Lecturas complementarias y referencias

Historia del artículo

La información de esta página ha sido redactada y revisada por médicos cualificados.

  • Fecha prevista para la próxima revisión: 26 oct 2026
  • 27 Oct 2023 | Última versión

    Última actualización

    Michael Stewart, MRPharmS

    Revisado por expertos

    Sid Dajani
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