Semaglutida para la diabetes
Ozempic, Rybelsus
Revisado por Sid DajaniÚltima actualización por Michael Stewart, MRPharmSÚltima actualización 5 Nov 2024
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Semaglutide can be taken orally as a tablet or given as an injection using a pre-filled pen. Your doctor will discuss with you which type of medicine might be most suitable for you.
Semaglutide injections should be given once each week on the same day each week. Store unopened packs of semaglutide in a fridge. Once in use, you can keep the pre-filled pen at room temperature.
Semaglutide tablets should be taken once every day at least two hours after food. You should not eat, drink or take any other oral medication for at least 30 minutes after your dose.
The most common side-effects are feeling sick (nausea) and diarrhoea - these usually reduce over time. If at any time you develop severe stomach pain with sickness (nausea and vomiting), speak with a doctor as soon as possible.
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About semaglutide
Tipo de medicamento | A GLP-1 analogue |
Utilizado para | Treatment of type 2 diabetes mellitus |
También llamado | Ozempic®, Rybelsus® |
Disponible como | Tablets and injections in pre-filled pens |
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, or if it does not use the insulin it makes effectively, this results in the condition called type 2 diabetes (diabetes mellitus).
People with type 2 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 their diet and lifestyle but, for other people, medicines are given alongside the changes in diet. Semaglutide is one of the medicines that are prescribed for people with type 2 diabetes.
Semaglutide very closely resembles a natural hormone called glucagon-like peptide-1 (GLP-1) and it works in three ways. It increases the amount of insulin produced by your body, which then reduces the level of sugar in your blood.
It also reduces the amount of a substance called glucagon being produced by your pancreas. Glucagon causes your liver to produce more sugar, so by reducing the amount of glucagon in your body, this also helps to reduce the levels of sugar in your blood. Semaglutide also works on your stomach so that food passes more slowly through it. This means that the sugar from your meals takes longer to get into your blood.
Semaglutide can be used on its own or in addition to other diabetes medicines. It can be taken orally as a tablet or given as an injection just under the surface of the skin. An injection device called a pre-filled pen is used to inject a dose once weekly. Tablets must be taken every day.
Semaglutide injections (Wegovy®) can be used to help with weight loss alongside a diet and exercise plan. For more information on this see the medicine leaflet Semaglutide for weight loss.
Before starting semaglutide treatment
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 treatment with semaglutide it is important that your doctor knows:
Si está embarazada, esperando un bebé o en período de lactancia.
Si tiene algún problema estomacal o digestivo.
Si tiene algún problema con el funcionamiento del hígado o de los riñones.
If you have an underactive or overactive thyroid gland.
Si alguna vez ha tenido el páncreas inflamado (pancreatitis).
Si alguna vez ha tenido una reacción alérgica a un medicamento.
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.
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How to use semaglutide injections (Ozempic®)
Antes de iniciar el tratamiento, lea el prospecto impreso del fabricante que se encuentra en el interior del envase, así como cualquier información que le facilite su médico o clínica de diabetes. El prospecto del fabricante le proporcionará una lista completa de los efectos secundarios que puede experimentar.
Use Ozempic® exactly as your doctor tells you to. Your doctor or diabetes nurse will show you how to inject yourself. Ozempic® should be injected into the skin on your upper arms, thigh, or tummy (abdomen). Try to choose a different injection site for each of your injections. This will help to prevent skin problems and difficulties in injecting.
After each injection remove the needle to help prevent problems with blockage, leakage or infection.
Ozempic® should be injected once each week, on the same day each week. Each pre-filled pen provides a single dose. The injection can be given at any time of the day, and it can be given either before or after a meal. It is best to have your dose around the same time each day.
There are three different strengths of semaglutide injection. You will start with a 0.25 mg dose once a week for four weeks, followed by 0.5 mg once a week for at least another four weeks. Depending on how well your blood sugar is controlled at this dose, your doctor may ask you to increase the dose to 1 mg weekly.
If you forget to use the injection on your usual day, use it as soon as you remember and keep to your normal weekly schedule. However, if it has been more than five days since the missed dose, skip the forgotten dose and take your next dose when it is due.
You can change the day of your scheduled dose as long as you leave at least three days (72 hours) between doses. For example, if your dose is usually scheduled for Monday morning you could change it to Thursday morning at the earliest. Then continue each week on Thursdays.
How to take semaglutide tablets (Rybelsus®)
Before you start this treatment, read the manufacturer's printed information leaflet from inside your pack. The manufacturer's leaflet will give you more information about semaglutide tablets and a full list of side-effects which you may experience from taking them.
Take semaglutide tablets exactly as your doctor tells you to. There are three strengths of semaglutide tablet. The starting dose is one 3 mg tablet taken each day for one month followed by one 7 mg tablet each day for at least another month. Depending on how well your blood sugar is controlled at this dose your doctor may ask you to increase the dose to one 14 mg tablet taken each day.
It is best to take your dose around the same time each day.
Swallow the tablet whole with a small drink of water. The tablet should be taken on an empty stomach at least two hours after food. You should not eat or drink or take any other oral medication for at least 30 minutes after taking semaglutide tablets.
If you forget to take a dose, leave out the forgotten dose and take the next dose when it is due the following day. Do not take two doses together to make up for a missed dose.
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Aproveche al máximo su tratamiento
Es importante que acuda regularmente a las citas médicas y clínicas. Así podremos controlar su evolución. Necesitará revisiones periódicas en una clínica oftalmológica y podológica, así como con su médico y la clínica de diabetes.
Su médico puede recomendarle que se haga análisis de azúcar (glucosa) en sangre u orina con regularidad para comprobar que su diabetes está controlada. Su médico o enfermera especializada en diabetes le enseñarán cómo hacerlo.
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.
Make sure you know what it feels like if your blood sugar is low. This is known as hypoglycaemia, or a 'hypo'. Although semaglutide is unlikely to cause low blood sugar by itself, other diabetes medicines that you are taking may do so.
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 this happens, eat something containing sugar, such as dextrose tablets, sweets/candies or a sugary drink (non-diet), and then follow this up with a snack such as a sandwich or a piece of fruit.
Si es usted conductor, debe tener especial cuidado, ya que su capacidad de concentración puede verse afectada si su diabetes no está bien controlada. Es posible que le aconsejen que compruebe sus niveles de azúcar en sangre antes de viajar y que lleve un tentempié en los viajes largos.
No beba alcohol, ya que puede afectar al control de su azúcar en sangre. Consulte a su médico si necesita más información al respecto.
It is important not to become dehydrated whilst being treated with semaglutide. Make sure you drink the recommended amount of fluids each day.
Si tiene una sed inusual, orina con más frecuencia de lo normal o 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.
Consulte a su médico antes de realizar cualquier ejercicio físico nuevo, ya que tendrá un efecto sobre sus niveles de azúcar en sangre y es posible que deba comprobar sus niveles en sangre u orina con mayor regularidad.
You should avoid becoming pregnant whilst being treated with semaglutide. Your doctor can advise you on suitable forms of contraception for you and your partner.
Si va a someterse a una operación o a un tratamiento dental, debe informar a la persona que vaya a realizar el tratamiento de que padece diabetes y darle una lista de los medicamentos que está tomando.
Si compra algún medicamento, compruebe siempre con un farmacéutico que es adecuado para usted.
Treatment for diabetes is usually lifelong. Continue with semaglutide unless you are told otherwise by your doctor.
Can semaglutide 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 semaglutide. 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.
Very common semaglutide side-effects (these affect more than 1 in 10 people) | ¿Qué puedo hacer si me ocurre esto? |
Nausea (feeling sick) | Coma alimentos sencillos: evite las comidas ricas o picantes. |
Diarrea | Beber mucha agua para reponer los líquidos perdidos |
Low blood sugar (hypoglycaemia) when used with insulin, gliclazide, glimepiride, glipizide or tolbutamide. Signs include feeling shaky or anxious, sweating, looking pale, feeling hungry, a feeling that your heart is pounding (palpitations), and feeling dizzy | Eat or drink something sugary and then follow this up with a snack such as a sandwich or a piece of fruit |
Common semaglutide side-effects (these affect fewer than 1 in 10 people) | ¿Qué puedo hacer si me ocurre esto? |
Estreñimiento | Drink plenty of water and eat a balanced diet including lots of fruit and vegetables |
Estar enfermo (vómitos) | Stick to simple foods - avoid rich or spicy meals. Drink plenty of water to replace lost fluids |
Indigestion, bloating, wind, tummy (abdominal) pain | Coma alimentos sencillos: evite las comidas ricas o picantes. |
Tiredness, decreased appetite and weight, increased heart rate | Let your doctor know if these become troublesome |
Worsening of existing diabetes-related vision problems | Attend routine eye examinations and let your doctor know if you notice any problems with your eyes or vision |
Sensación de mareo | No conduzca ni utilice herramientas o máquinas hasta que se sienta mejor. |
Important: This medicine can cause persistent and severe tummy (abdominal) pain with sickness (nausea and/or vomiting) in a few people. If this happens to you, you should speak with your doctor as soon as possible as these can be symptoms of an inflamed pancreas (pancreatitis).
Si experimenta cualquier otro síntoma que considere que puede deberse a este medicamento, consulte a su médico o farmacéutico.
How to store semaglutide
Mantenga todos los medicamentos fuera del alcance y de la vista de los niños.
Store unopened packs of pre-filled pens in a fridge. Do not freeze the pens and do not use them if you think they have been accidentally frozen.
Once in use you can keep the pre-filled pen at room temperature for up to six weeks. Keep the cap on the pen to protect the medicine from light.
Store the tablets in their original packaging in a cool, dry place, away from direct heat and light.
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
- Medicamentos BNF completa 89ª edición; Asociación Médica Británica y Real Sociedad Farmacéutica de Gran Bretaña, Londres.
- Manufacturer's PIL, Ozempic® 1 mg solution for injection in pre-filled pen; Novo Nordisk Ltd, The electronic Medicines Compendium. Dated September 2024.
- Manufacturer's PIL, Rybelsus® 3 mg, 7 mg and 14 mg tablets; Novo Nordisk Ltd, The electronic Medicines Compendium. Dated September 2024.
Historia del artículo
La información de esta página ha sido redactada y revisada por médicos cualificados.
Fecha prevista para la próxima revisión: 4 nov 2027
5 Nov 2024 | Última versión
5 Nov 2021 | Publicado originalmente
Autores:
Michael Stewart, MRPharmS

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