Pioglitazone tablets for diabetes
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Revisado por Sid DajaniÚltima actualización por Michael Stewart, MRPharmSÚltima actualización 4 mar 2025
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Take pioglitazone tablets once a day.
Recuerde seguir todos los consejos que le hayan dado sobre su dieta y la práctica de ejercicio.
If you get any of the following symptoms, contact your doctor immediately - blood in your urine, being sick (vomiting), tummy pain, feeling unusually tired, or dark urine.
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About pioglitazone
Tipo de medicamento | A thiazolidinedione antidiabetic medicine |
Utilizado para | Diabetes mellitus de tipo 2 |
También llamado | Actos® |
Disponible como | Tabletas |
Insulin is a hormone which is made naturally in your body by the pancreas. It helps to control the levels of sugar (glucose) in your blood. If your body does not make enough insulin to meet its needs, or if it does not use the insulin it makes effectively, this results in the condition called diabetes (diabetes mellitus).
People with diabetes need treatment to control the amount of sugar in their blood. This is because good control of blood sugar levels reduces the risk of complications later on. Some people can control the sugar in their blood by making changes to the food they eat, but for other people, medicines are given alongside the changes in diet.
Pioglitazone works by increasing the sensitivity of your body's cells to insulin - so more glucose is taken into cells for the same amount of insulin in the bloodstream. It can be used on its own, but it is more commonly taken alongside metformin and/or other antidiabetic medicines.
Before taking pioglitazone
Some medicines are not suitable for people with certain conditions, and sometimes a medicine can only be used if extra care is taken. For these reasons, before you start taking pioglitazone it is important that your doctor knows:
Si está embarazada o en periodo de lactancia.
Si tiene algún problema con el funcionamiento de su hígado.
If you have ever had bladder cancer, or if you have recently noticed any blood in your urine.
If you have been told your heart is not working as well as it should, a condition called heart failure.
If you have a heart condition or blood vessel disease
Si padece un raro trastorno sanguíneo hereditario llamado porfiria.
Si está tomando otros medicamentos. Esto incluye cualquier medicamento que esté tomando y que pueda adquirirse sin receta, así como medicamentos a base de plantas y complementarios.
Si alguna vez ha tenido una reacción alérgica a un medicamento.
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How to take pioglitazone
Before you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about pioglitazone, and will also provide you with a full list of the side-effects which you could experience from taking it.
Take the tablets exactly as your doctor tells you to. It is usual to take one tablet of pioglitazone daily. There are three strengths of tablet available: 15 mg, 30 mg, and 45 mg. Most people are started on the lowest strength of tablet, but your doctor will tell you which strength is right for you. Pioglitazone tablets can be taken either with or without food. Swallow the tablet with a drink of water.
If you have been prescribed Competact® tablets, this is a combination brand of pioglitazone with a medicine called metformin. Take one tablet twice a day, after a meal.
Try to take your doses at the same time of day each day, as this will help you to remember to take them regularly.
Si olvida tomar una dosis, tómela en cuanto se acuerde (a menos que sea casi la hora de la siguiente dosis, en cuyo caso omita la dosis olvidada y tome la siguiente dosis normalmente). No tome dos dosis juntas para compensar la dosis olvidada.
Aproveche al máximo su tratamiento
Si su médico le ha aconsejado hacer cambios en la dieta, dejar de fumar o hacer ejercicio con regularidad, es importante que siga sus consejos.
It is also important that you keep your regular doctor's and clinic appointments. This is so your progress can be monitored. Your doctor will want to do some blood tests both before and during treatment to check how well your liver is working. You will also need regular check-ups with an eye clinic and a foot clinic.
Test your blood or urine regularly to ensure your blood sugar (glucose) levels are being controlled. Your doctor or diabetes nurse will show you how to do this. Doing this regularly is especially important if you are taking pioglitazone with another antidiabetic medicine or insulin.
Make sure you know what it feels like if your blood sugar is low. This is known as hypoglycaemia, or a 'hypo'. Although pioglitazone is unlikely to cause low blood sugar, other medicines that you are taking for diabetes alongside it may. The first signs of hypoglycaemia are feeling shaky or anxious, sweating, looking pale, feeling hungry, having a feeling that your heart is pounding (palpitations), and feeling dizzy. If you are a driver you should take special care, as your ability to concentrate may be affected if your diabetes is not well controlled. You may be advised to check your blood sugar levels before you travel and to have a snack with you on long journeys.
Si tiene una sed inusual, orina con más frecuencia y se siente muy cansado, debe comunicárselo a su médico. Estos son signos de que tiene demasiada azúcar en la sangre y puede ser necesario ajustar el tratamiento.
Drinking alcohol is not recommended. Pioglitazone and alcohol can produce low blood sugar levels and this will affect the control of your condition.
If you are having an operation or dental treatment, tell the person carrying out the treatment that you are taking pioglitazone.
If you buy any medicines, check with a pharmacist that they are suitable for you to take with pioglitazone.
Taking pioglitazone can increase the risk of developing problems such as bladder cancer, bone fractures (particularly in women), and heart failure. Your doctor will talk with you about these risks, as they can depend upon a number of factors. Your doctor will also closely monitor your progress and review the need for treatment with pioglitazone on a regular basis.
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Can pioglitazone 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 pioglitazone. 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 pioglitazone side-effects (these affect fewer than 1 in 10 people) | ¿Qué puedo hacer si me ocurre esto? |
Eyesight problems | Let your doctor know about this or make an appointment with your eye clinic |
Putting on weight | Try to maintain a balanced diet and check your weight regularly. If you feel you are gaining weight without actually eating more, discuss this with your doctor |
Aches and pains, flu-like symptoms, chest infections, reduced sense of touch (numbness), a greater risk of broken bones | Si alguno de ellos le resulta molesto, hable con su médico |
Important: your doctor will discuss with you the possibility of some less common side-effects but ones, which if you experience, you must let your doctor know about straightaway. These are:
Feeling sick (nausea) or being sick (vomiting) for no apparent reason, tummy (abdominal) pain, extreme tiredness, or dark urine. These are signs that your liver is not working as well as it should.
Blood in your urine, or bladder problems such as pain or an increased urgency to go to the toilet. Your doctor will want to check these symptoms to make sure that your bladder is healthy.
Si experimenta cualquier otro síntoma que crea que puede deberse a los comprimidos, hable con su médico o farmacéutico para que le aconsejen.
How to store pioglitazone
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 inmediatamente 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.
MHRA - Notificación de reacciones adversas
Notifique a la Agencia Reguladora de Medicamentos y Productos Sanitarios las sospechas de efectos secundarios de medicamentos, vacunas, cigarrillos electrónicos, incidentes con productos sanitarios o productos defectuosos o falsificados para garantizar un uso seguro y eficaz.
Lecturas complementarias y referencias
- Manufacturer's PIL, Pioglitazone 15 mg, 30 mg and 45 mg tablets, Mylan (Viatris), The electronic Medicines Compendium. Dated August 2020.
- Medicamentos BNF completa 89ª edición; Asociación Médica Británica y Real Sociedad Farmacéutica de Gran Bretaña, Londres.
Historia del artículo
La información de esta página ha sido redactada y revisada por médicos cualificados.
Fecha prevista para la próxima revisión: 4 mar 2028
4 mar 2025 | Última versión

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