Tabletas de zolpidem
Stilnoct
Revisado por pares por Sid DajaniÚltima actualización por Michael Stewart, MRPharmSÚltima actualización 19 Jul 2023
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Zolpidem will help you to sleep.
You should take it just before you go to bed.
If you still feel sleepy the next day, do not drive and do not use tools or machines.
De un vistazo
Zolpidem is a sleeping tablet prescribed for short-term insomnia.
It helps you fall asleep faster and increases your sleep duration.
Do not take for more than 2-4 weeks as your body can become dependent.
Take one tablet just before bed; do not take more than one dose per night.
Do not drive or use machines if you still feel sleepy the next day.
Avoid alcohol while taking zolpidem.
Tell your doctor if you experience unusual side effects like sleepwalking.
About zolpidem
Tipo de medicamento | Hypnotic (sleeping tablet) |
Usado para | Insomnia (sleeping problems) |
Disponible como | Comprimidos |
Insomnia, or poor sleep, is fairly common but it does not usually last for long. If you have problems sleeping, it may mean that you have difficulty getting off to sleep, or you may wake up for long periods during the night, or you may wake up too early in the morning. 'Sleeping tablets' like zolpidem are considered to be a last resort, but they are sometimes prescribed for a short period of time to help with a particularly bad patch of insomnia.
Zolpidem belongs to a class of medicines commonly called Z drugs. It works by acting on the way messages are sent in your brain, which help you to sleep. It reduces the time it takes for you to fall asleep and increases the length of time you spend sleeping.
Zolpidem will often work well in the short term, but it is not normally prescribed for more than 2-4 weeks. This is because your body gets used to it within a short period of time and after this it is unlikely to have the same effect. Your body may also become dependent on it when it is taken for longer periods of time than this.
Before taking zolpidem
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 zolpidem it is important that your doctor knows:
Si estás embarazada, intentando tener un bebé o amamantando.
If you have any breathing problems, or if you have sleep apnoea, a problem where you stop breathing for short periods at night.
If you have a condition called myasthenia gravis, or if you have any other condition causing muscle weakness, especially if this causes breathing difficulties.
If you have ever had a drug or alcohol addiction.
If you are feeling depressed, or if you have a mental health problem.
Si tienes algún problema con el funcionamiento de tu hígado, o algún problema con el funcionamiento de tus riñones.
Si alguna vez has tenido una reacción alérgica a un medicamento.
Si está tomando o usando otros medicamentos. Esto incluye cualquier medicamento que esté tomando y que esté disponible para comprar sin receta, así como medicamentos herbales y complementarios.
How to take zolpidem
Before you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about zolpidem and will provide you with a full list of the side-effects which you may experience from taking it.
It is usual to be prescribed one tablet (10 mg) to be taken just before going to bed. Do not take more than one dose during a single night. If you are over 65 years of age, your doctor may consider the 5 mg strength tablets more suitable for you.
Take zolpidem exactly as your doctor tells you to. You could be advised to take a tablet on only two or three nights per week, rather than on every night.
Obteniendo el máximo de tu tratamiento
Do not take zolpidem for longer than your doctor advises. It is only recommended for a maximum period of four weeks. This is because your body gets used to this medicine quickly, and after this time it is unlikely to have the same effect. Your body can also become dependent on it when it is taken for longer than this.
The tablets will make you sleepy and you could still feel sleepy the next day. Do not drive and do not use tools or machines on the following day unless at least eight hours have passed since you took the zolpidem tablet. Take your zolpidem dose only once, just before bedtime. Do not take another dose during the same night.
Do not drink alcohol while you are on zolpidem. It will increase the risk of side-effects such as sleepwalking and doing other things which you are unable to remember when you wake up.
Can zolpidem 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 zolpidem. 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.
Común zolpidem side-effects (these affect fewer than 1 in 10 people) | ¿Qué puedo hacer si experimento esto? |
Feeling sleepy, dizzy, or tired | If you continue to feel sleepy on the morning after, do not drive and do not use tools or machines until your reactions have returned to normal |
Headache, back pain | Bebe mucha agua y pide a tu farmacéutico que te recomiende un analgésico adecuado. Si el dolor persiste, informa a tu médico |
Stomach upset (such as diarrhoea, feeling sick (nausea), or abdominal discomfort) | Stick to simple meals - avoid rich or spicy meals |
Hallucinations, feeling irritable, nightmares, poor memory, throat and chest infections | Si alguno de estos se vuelve problemático, hable con su médico |
Some people taking zolpidem have done things while they are asleep that they do not remember when they wake up, such as sleepwalking, sleep-driving and having sex. If this happens to you, discuss it with your doctor.
Si experimenta cualquier otro síntoma que crea que puede deberse a las tabletas, hable con su médico o farmacéutico para obtener más consejos.
How to store zolpidem
Mantenga todos los medicamentos fuera del alcance y 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
Si compras algún medicamento, consulta con un farmacéutico que sea seguro tomarlo junto con tus otros medicamentos.
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 at once. Take the container with you, even if it is empty.
Si vas a someterte a una operación o tratamiento dental, informa a la persona que realiza el tratamiento sobre los medicamentos que estás tomando.
Este medicamento es para ti. Nunca lo des a otras personas, incluso si su condición parece ser la misma que la tuya.
No guardes medicamentos caducados o no deseados. Llévalos a tu farmacia local, que se encargará de desecharlos por ti.
Si tienes alguna pregunta sobre este medicamento, consulta a tu farmacéutico.
Informar efectos secundarios de un medicamento o vacuna
Si experimenta efectos secundarios, puede reportarlos en línea a través de Sitio web de Yellow Card.

¿Inseguro sobre mezclar medicamentos?
Verifica posibles interacciones entre medicamentos, suplementos y alimentos antes de tomarlos juntos.
Preguntas frecuentes
Is zolpidem (Stilnoct) considered a strong sleeping tablet?
The article states that zolpidem is usually prescribed as a 10 mg tablet, but for those over 65, a 5 mg strength might be considered more suitable. It is intended for short-term use, typically for no more than 2-4 weeks, because the body quickly adapts to it, and its effectiveness diminishes over time.
How long does it typically take for zolpidem to start working after I take it?
Zolpidem is designed to reduce the time it takes for you to fall asleep. While the article doesn't specify an exact timeframe, it indicates that the medication works by affecting brain messages to help you sleep and should be taken just before going to bed.
Can I use zolpidem if I occasionally have trouble sleeping, rather than every night?
Yes, your doctor might advise you to take zolpidem only on two or three nights per week, rather than taking it every night. It's important to follow your doctor's specific instructions.
What should I do if I notice unusual behaviours, like sleepwalking, after taking zolpidem?
If you experience behaviours like sleepwalking, sleep-driving, or engaging in other activities you don't remember when you wake up, you should discuss these with your doctor immediately.
What if my insomnia returns or worsens after I stop taking zolpidem?
The article doesn't directly address what to do if insomnia returns after stopping zolpidem. However, it mentions that the medication is for short-term use because the body can become dependent on it and its effect reduces over time. If you experience persistent sleep problems, it would be important to discuss this with your doctor.
Lecturas adicionales y referencias
- Manufacturer's PIL, Zolpidem Tartrate 5 mg and 10 mg Tablets; Zentiva, The electronic Medicines Compendium. Dated November 2022.
- Medicamentos Completos BNF 89ª Edición; Asociación Médica Británica y Sociedad Real de Farmacia de Gran Bretaña, Londres.
Sobre el autorVer biografía completa

Michael Stewart, MRPharmS
Gerente de Revisión de Folletos de Medicamentos – Contratista, Farmacéutico
BPharm (Hons), MRPharmS
Michael es un farmacéutico comunitario que ejerce en Midlands y South Yorkshire con más de 20 años de experiencia asesorando sobre medicamentos y condiciones médicas. Tiene una sólida formación en capacitación en atención médica, habiendo producido e impartido cursos de formación para equipos de farmacia y personal de entornos de atención residencial, incluidas enfermeras. También ha contribuido a juntas asesoras de farmacia para la gestión de condiciones de baja gravedad en la comunidad.
Acerca del revisor

Sid Dajani
Sultan Dajani se graduó en la Escuela de Farmacia de Londres en 1994 y se convirtió en el miembro más joven elegido para el consejo de la Sociedad Real de Farmacia desde su fundación en 1842.
Historial del artículo
La información en esta página está escrita y revisada por pares por clínicos calificados.
Artículo también disponible en Inglés, Alemán, Español, Francés, Italiano, Portugués, Hindi, Hebreo, Árabe, y Sueco.
Próxima revisión: 18 Jul 2026
19 Jul 2023 | Última versión

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