Cáscara de psyllium para el estreñimiento
Hydrocil, Konsyl, Reguloid
Revisado por pares por Sid DajaniÚltima actualización por Michael Stewart, MRPharmSÚltima actualización 28 Feb 2023
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Take the dose of psyllium husk stirred into a glass of water or fruit juice (about 8 ounces). Drink it straightaway after mixing. Capsules should be swallowed whole with a glass of water (8 ounces).
Eating a healthy diet, drinking plenty of water and getting regular gentle exercise can all help prevent constipation.
It may take a few days before you feel the full benefit from taking psyllium husk.
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Psyllium husk is a bulk-forming laxative used to treat constipation.
It works by increasing the bulk of your stools, helping them move through your digestive system.
It is available as capsules, granules, liquid, or powder and can be prescribed or bought.
Always mix powder or granules in a full glass of water or juice before swallowing.
Drink plenty of fluids throughout the day while taking psyllium husk.
Seek medical advice before use if pregnant, for a child, or if you have swallowing difficulties.
If symptoms do not improve after several days, contact your doctor.
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About psyllium husk
Tipo de medicamento | Un laxante formador de masa |
Usado para | Estreñimiento |
También llamado | Clara®; Equate®; Hydrocil®; Konsyl®; Metamucil®; Mucilin®; Reguloid® |
Disponible como | Capsules, granules, liquid, powder |
Estreñimiento is a common problem which can be caused by a number of things. Not eating enough fiber or not drinking enough fluid can cause constipation. Some conditions (such as pregnancy) can cause constipation, as can a lack of exercise or movement (such as being ill in bed) and some medicines.
Often, increasing the amount of bran in your diet and drinking plenty of water each day can effectively prevent or relieve constipation. You will have been recommended psyllium husk (also known as ispaghula husk) to help relieve constipation if you cannot increase the amount of bran in your diet, or if this is insufficient. Psyllium husk, a laxantes, works by increasing the bulk of your stools, which encourages your bowels to move the stools through your digestive system, which in turn relieves constipation.
Products containing psyllium husk are available on prescription, and can also be bought without a prescription at pharmacies and other retail outlets. Some combination products contain psyllium husk as an ingredient.
Before taking psyllium husk
Volver al contenidoTo make sure this is the right treatment for you, ask for advice from a physician or pharmacist before you start using psyllium husk if any of the following apply to you:
If you are pregnant, trying for a baby or breastfeeding. This is because, while you are expecting or feeding a baby, you should only take medicines on the recommendation of a physician.
If it is for a child. This is because laxatives should only be given to children on the advice of a physician or healthcare professional.
Si tienes alguna dificultad para tragar.
Si estás tan estreñido que crees que puedes tener una obstrucción.
If you have a rare metabolic disorder called phenylketonuria (PKU).
Si está tomando otros medicamentos. Esto incluye cualquier medicamento que esté tomando y que esté disponible para comprar sin receta, así como medicamentos herbales y complementarios.
Si alguna vez has tenido una reacción alérgica a un medicamento.
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How to take psyllium husk
Volver al contenidoBefore you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about psyllium husk and how to take it. It will also provide you with a full list of the side-effects which you may experience.
Take psyllium husk exactly as your physician tells you to, or as directed on the pack. Follow the manufacturer's instructions for preparing a dose. For an adult, a dose of psyllium husk is taken once, twice or three times a day.
The powder or granules should be mixed into a full glass (8 ounces) of water or fruit juice before swallowing. Capsules should be swallowed whole with a full glass (8 ounces) of water.
It is best if you take your doses just after a meal. Never take a dose at bedtime.
If a physician has recommended psyllium husk for your child, check the label on the pack carefully to make sure that you give the correct dose for the age of your child. Remember to stir the powder or granules into a glass of water (8 ounces) before giving it to your child.
Si olvida tomar una dosis, no se preocupe, simplemente tome la siguiente dosis cuando corresponda. No tome dos dosis juntas para compensar una dosis olvidada.
Obteniendo el máximo de tu tratamiento
Volver al contenidoSometimes it may take a few days before you feel the full benefit from a bulk-forming laxative such as psyllium husk. However, if after several days you do not feel that your symptoms are improving, or if they get any worse, you should speak with your physician.
It is important to drink plenty while you are taking psyllium husk. Adults should aim to drink at least two liters (65 ounces, or about 8 glasses) of fluid per day. Most sorts of drink will do, but as a start, try just drinking a glass of water 3-4 times a day in addition to what you normally drink.
Try to eat a balanced diet containing high-fiber foods such as wholemeal and wholegrain breads and cereals, fruit and vegetables, brown rice and wholemeal pasta. If you are not used to a high-fiber diet, it may be best to increase the amount of fiber you eat gradually.
Mantener tu cuerpo activo te ayudará a mantener en movimiento tu sistema digestivo, así que intenta hacer ejercicio diario de forma regular.
You may wish to include some foods that contain sorbitol in your diet. Sorbitol is a naturally occurring sugar. It is not digested very well and draws water into your bowel, which has an effect of softening stools. Fruits (and their juices) that have a high sorbitol content include apples, apricots, grapes (and raisins), peaches, pears, plums, raspberries and strawberries.
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Can psyllium husk cause problems?
Volver al contenidoAlong with their useful effects, most medicines can cause unwanted side-effects although not everyone experiences them. The table below contains the ones which sometimes occur with psyllium husk. You will find a full list in the manufacturer's information leaflet supplied with your medicine. Speak with your physician or pharmacist if any of the following continue or become troublesome.
Psyllium husk side-effects | ¿Qué puedo hacer si experimento esto? |
Mild allergic-type reactions such as nose or eye irritation, feeling short of breath, itchy skin | Stop taking the medicine and speak with your physician or pharmacist for advice |
Exceso de gases (flatulencia), hinchazón, malestar abdominal | As you become used to the extra fiber, these effects should settle down |
If you experience any other symptoms which you think may be due to taking psyllium husk, speak with your physician or pharmacist for further advice.
How to store psyllium husk
Volver al contenidoMantenga 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
Volver al contenidoInformación importante sobre todos los medicamentos
Si tienes programada una operación o cualquier tratamiento dental, informa a la persona que realizará el tratamiento sobre los medicamentos que estás tomando.
Si compras algún medicamento, siempre consulta con un farmacéutico que sea seguro tomarlos junto con tus otros medicamentos.
Never take more than the recommended dose. If you suspect that you or someone else might have taken an overdose of this medicine, go to the emergency room of your local hospital. Take the container with you, even if it is empty.
Este medicamento es para ti. Nunca lo des a otras personas, incluso si su condición parece ser la misma que la tuya.
No conserve medicamentos caducados o no deseados. Pregunte a su farmacéutico sobre las formas de desechar los medicamentos de manera segura en su área local.
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
Can psyllium husk be used as the first choice for constipation relief?
Psyllium husk is typically recommended if increasing bran in your diet and drinking plenty of water is not sufficient to relieve constipation, or if you cannot increase the bran in your diet.
How does psyllium husk help to relieve constipation?
Psyllium husk works by increasing the mass of your stools. This helps to stimulate your bowels, encouraging them to move the stools through your digestive system more effectively.
Can I buy psyllium husk without a prescription?
Yes, products containing psyllium husk are available to purchase without a prescription from pharmacies and other retail outlets. It is also available on prescription.
What if I experience side-effects like wind or bloating when taking psyllium husk?
If you experience side-effects such as excess wind, bloating, or tummy discomfort, these effects should generally settle down as your body adjusts to the increased fiber. If they continue or become troublesome, you should speak with your physician or pharmacist.
What should I do if I forget a dose of psyllium husk?
If you miss a dose, there's no need to worry. Simply take your next dose when it is due. You should not take two doses together to compensate for the forgotten one.
Are there any foods I can eat that can also help make stools softer?
Yes, some fruits and their juices contain sorbitol, a natural sugar that is not easily digested and draws water into your bowel, which helps to soften stools. Examples include apples, apricots, grapes (and raisins), peaches, pears, plums, raspberries, and strawberries.
How much fluid should I drink while taking psyllium husk?
It's important for adults to drink plenty of fluids, aiming for at least two liters (about 8 glasses) per day. You can start by adding a glass of water 3-4 times a day to your usual fluid intake.
Lecturas adicionales y referencias
- Manufacturer's FDA Label, Metamucil® Therapy for Regularity-psyllium husk powder; The Proctor and Gamble Manufacturing Company. DailyMed, National Institutes of Health, U.S National Library of Medicine. Dated June 2022.
- Manufacturer's FDA Label, Konsyl® Easy Mix Formula psyllium fiber granules; Konsyl Pharmaceuticals Inc. DailyMed, National Institutes of Health, U.S National Library of Medicine. Dated December 2019.
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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.
Próxima revisión: 27 Ago 2027
28 Feb 2023 | Última versión
1 Mar 2017 | Publicado originalmente
Escrito por:
Michael Stewart, MRPharmS

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