Superintendent Pharmacist and Independent Prescriber
Oluwole Ososami
Leads clinical governance at Westbury Chemist. Clinical interests include acute respiratory conditions, urinary tract infections and musculoskeletal conditions.
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Westbury Chemist is a GPhC-registered pharmacy (Registration No. 1041186) operated by qualified pharmacists, providing professional and regulated healthcare services
Fybogel Mebeverine is a medication used to relieve IBS symptoms. It has two active ingredients: ispaghula husk and mebeverine hydrochloride. Ispaghula husk comes from a plant that's naturally rich in fibre, making it a laxative often used for constipation. The other ingredient, mebeverine hydrochloride, is an antispasmodic, which helps stop spasms. Together, these ingredients help manage IBS symptoms.
Irritable bowel syndrome (IBS) is a common condition that impacts your digestive system, which includes the mouth, stomach, intestines, and more. Typical symptoms are bloating, diarrhoea, constipation, and pain in the lower abdomen. While IBS is widespread, there isn't a cure. For many, it's a long-term condition, but taking medication like Fybogel Mebeverine can help ease some of the symptoms.
As we discussed, IBS often causes discomfort in the lower abdomen. This happens because the intestines contract or tighten, which is called a spasm. Those with IBS might also notice changes in their stool, such as it being looser or harder, or they might go to the toilet more or less often than usual.
Fybogel Mebeverine addresses both issues effectively. Mebeverine hydrochloride helps by relaxing the muscles in your intestines, which stops spasms and eases pain in the lower abdomen. Ispaghula husk works by trapping water in the intestine, which softens stools and makes them easier to pass. The extra water can also help you go to the toilet more often, which is useful for treating constipation. Since IBS-related spasms can be relieved by going to the toilet, a laxative like ispaghula husk can be beneficial.
Fybogel Mebeverine contains active ingredients that help stop gut spasms and keep your bowel movements regular, which can relieve IBS symptoms.
Fybogel Mebeverine is suitable for most adults and children over 12. However, you should avoid taking it if you have any of the following conditions:
Fybogel Mebeverine may take between 12 to 24 hours to show its full effects. The treatment can continue for up to 2 weeks. If your symptoms haven't improved or have worsened after 2 weeks, it's important to speak with our clinicians about what to do next.
If you forget to take a dose, just skip it and carry on with your next dose as normal.
If you accidentally take more Fybogel Mebeverine than advised, you should drink more water to help prevent side effects.
Fybogel Mebeverine may cause side effects in some individuals. Some of the side effects associated with taking Fybogel Mebeverine include:
Fybogel Mebeverine and Fybogel are two separate medications. Fybogel Mebeverine has two active ingredients: ispaghula husk and mebeverine hydrochloride, and it's often used for treating IBS. On the other hand, Fybogel contains only ispaghula husk and is used to relieve constipation.
Colofac and Buscopan are two alternative treatments for IBS. Colofac includes the active ingredient mebeverine hydrochloride, which is also found in Fybogel Mebeverine.
Buscopan is a medication used to relieve IBS symptoms and contains the active ingredient hyoscine butylbromide.
This is another antispasmodic, similar to mebeverine. It helps relax the muscles in your stomach, which can prevent stomach cramps.
The choice depends on your symptoms. If you're experiencing stomach cramps, Buscopan might be suitable. However, if you're dealing with constipation and spasms, Fybogel Mebeverine could be a better fit. IBS varies from person to person, so it's important to select what best addresses your symptoms.
Avoid using Fybogel Mebeverine if you're pregnant or breastfeeding.
Try not to take Fybogel Mebeverine within 30 to 60 minutes before or after using insulin, or after taking thyroid medication. If you have any questions, feel free to contact our clinicians.
Fybogel Mebeverine isn't suitable for everyone, and there are a few things you should keep in mind when taking it.
Here's all the official information about them. If anything isn't clear, please let our clinician know, and they can discuss it with you.

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Medicines can cause side effects. Always read the leaflet that comes with your medication and report any side effects to your pharmacist.
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Superintendent Pharmacist and Independent Prescriber
Leads clinical governance at Westbury Chemist. Clinical interests include acute respiratory conditions, urinary tract infections and musculoskeletal conditions.
Pharmacist Independent Prescriber
Clinical interests include ear, nose and throat conditions, high blood pressure and weight management.
Pharmacist Independent Prescriber
Clinical interests include asthma, COPD and the management of long-term conditions.
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