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Haloperidol long-acting injection

Haldol Decanoate

Your doctor or nurse will inject haloperidol into a muscle in your buttocks. The effect of each injection will last for four weeks.

It is important you keep your regular appointments with your doctor or nurse.

There are a number of side-effects which you may experience from this treatment. If you are concerned about any of these, you should discuss them with your doctor.

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About haloperidol long-acting injection

Tipo de medicamento

Antipsychotic injection

Utilizado para

Easing the symptoms of schizophrenia and other similar mental health problems

También llamado

Haloperidol decanoate; Haldol Decanoate®

Disponible como

Inyección

Schizophrenia is a serious mental health condition that causes disordered ideas, beliefs and experiences. Haloperidol is used to relieve the symptoms of schizophrenia and other similar mental health problems. Such symptoms can include hearing, seeing, or sensing things that are not real, having mistaken beliefs, and feeling unusually suspicious.

Haloperidol works on the balance of chemical substances which act on the nervous system in your brain.

Long-acting, or 'depot', injections are used to maintain your recovery once your symptoms have been eased by taking tablets or capsules. The injection slowly releases haloperidol into your body and is given every four weeks. The main advantage of a depot injection is that you do not have to remember to take tablets every day.

Before having haloperidol long-acting injections

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 having haloperidol injections it is important that your doctor or pharmacist knows:

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

  • If you have a heart condition or blood vessel problems.

  • Si tiene problemas de hígado, riñón o próstata.

  • If you have a breathing problems.

  • If you have any of the following: epilepsy, Parkinson's disease, depression, increased pressure in your eyes (glaucoma) or a condition causing muscle weakness, called myasthenia gravis.

  • If you have ever had yellowing of your skin or the whites of your eyes (jaundice) or a blood disorder.

  • If you have a tumour on your adrenal gland (phaeochromocytoma).

  • If you have been told you have low levels of salts (electrolytes) in your blood.

  • If you have ever had an allergic reaction to any medicine.

  • Si toma o utiliza otros medicamentos. Esto incluye cualquier medicamento que esté tomando y que pueda adquirirse sin receta, así como medicamentos a base de plantas y complementarios.

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How to use haloperidol long-acting injection

  • Before you start this treatment, read the manufacturer's printed information leaflet from inside your pack. The leaflet will give you more information about haloperidol and a full list of side-effects which you may experience from having it.

  • Haloperidol long-acting injection will be given to you by your doctor or nurse. It is given by injection into a muscle in your buttocks.

  • If you haven't received an injection like haloperidol before, a small dose is usually given as a test before you have a normal dose. This is to see how well you tolerate the injection.

  • You may be asked to continue taking your current tablets or capsules for a short while after you have had your first injection. This is because it can take a few weeks before you feel the full effect from the injection.

  • If you miss an appointment for an injection, you should contact your doctor's surgery to make another appointment as soon as possible. This is because the injection should be given to you without further delay.

  • Treatment with haloperidol injection may need to continue for several months or even years. Your dose will be reduced gradually to make sure your symptoms don't return.

Aproveche al máximo su tratamiento

  • Your treatment will require careful monitoring to make sure that you get the best possible benefit from haloperidol. Keep your regular doctor's appointments so your progress can be checked. You will need to have some tests from time to time.

  • If you are having any dental treatment or an operation, tell the person carrying out the treatment which medicines you are taking. This is important because haloperidol may interfere with any anaesthetic you receive.

  • If you buy or take any 'over-the-counter' medicines, check with a pharmacist that they are suitable for you to take with haloperidol.

  • If you drink alcohol, ask your doctor for advice about drinking while you are on haloperidol. Alcohol may increase the chance that you experience side-effects and may not be recommended for you.

  • Smoking may affect the amount of haloperidol in your body. Let your doctor know if you start or stop smoking while you are having haloperidol.

  • Haloperidol may cause your skin to become more sensitive to sunlight than normal. Use a sunscreen that protects against UVA light and has a sun protection factor (SPF) of at least 15, especially in strong sunlight or until you know how your skin reacts. Do not use sunbeds.

  • If you have diabetes you may need to check your blood glucose more frequently, as haloperidol may affect the levels of sugar in your blood. Your doctor will be able to advise you about this.

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Can haloperidol long-acting injection cause problems?

Además de sus efectos útiles, la mayoría de los medicamentos pueden producir efectos secundarios no deseados, aunque no todas las personas los sufran. Estos suelen mejorar a medida que el organismo se adapta al nuevo medicamento, pero hable con su médico o farmacéutico si alguno de los siguientes efectos secundarios persiste o se vuelve molesto.

Common haloperidol side-effects


¿Qué puedo hacer si me ocurre esto?

Pain and redness at the site of the injection

This should quickly pass. If the area becomes swollen or 'lumpy', let your doctor or nurse know

Sensación de mareo o sueño, visión borrosa

Si esto ocurre, no conduzca ni utilice herramientas o máquinas. No bebas alcohol

Boca seca

Prueba a mascar chicle sin azúcar o chupar caramelos sin azúcar

Stomach upset

Stick to simple meals - avoid rich or spicy food

Estreñimiento

Drink plenty of water and eat a well-balanced diet

Dolor de cabeza

Ask your pharmacist to recommend a suitable painkiller. If the headaches continue, speak with your doctor

Feeling shaky or restless, unusual or uncontrollable muscle movements, increased saliva

Hable con su médico lo antes posible sobre cualquiera de ellos. Puede que sea necesario ajustar su tratamiento

Changes in your weight, difficulty sleeping, mood changes, stuffy nose, changes in sexual ability, breast enlargement, production of breast milk, menstrual problems, fast heartbeat, difficulty passing urine, skin rash

Coméntelo con su médico si alguno le resulta molesto

Important: if you experience any 'flu-like' symptoms including any muscle stiffness, a very high temperature, feeling confused or sweaty, and a fast heartbeat, you must contact your doctor immediately. These may be signs of a rare but serious condition known as neuroleptic malignant syndrome.

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

How to store haloperidol long-acting injection

  • 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.

Información importante sobre todos los medicamentos

Información importante sobre todos los medicamentos

No tome nunca más de la dosis prescrita. Si sospecha que usted u otra persona ha tomado una sobredosis de este medicamento, acuda al servicio de urgencias de su hospital. Llévese el envase, aunque esté vacío.

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 de la próxima revisión: 18 de enero de 2027
  • 20 Jul 2022 | Última versión

    Última actualización

    Michael Stewart, MRPharmS

    Revisado por expertos

    Sid Dajani
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