About Ispaghula Husk For IBS

Fybogel or Ispaghula husk is a natural fiber treatment for Irritable Bowel Syndrome constipation and other IBS symptoms.

It comes as sachets in either original or orange flavors and is mixed in water before swallowing.

It is important to drink plenty of fluids which will increase you chances of success as well as reducing the possibility of causing any obstruction. 

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  • Cautions  - are there any measures you need to consider before starting this treatment?
  • Contraindications - who shouldn't take this medicine? Find out now if there are any contraindications
  • Side Effects - what problems can occur after taking this medication? 

Ispaghula (Fybogel) Picture


It is used in the treatment of constipation predominant Irritable Bowel Syndrome and primary constipation.

It can also be used in the treatment of chronic diarrhea associated with diverticular disease.


Caution should be taken in people with decreased bowel motility or intestinal narrowing.

Adequate fluid intake needs to be maintained to prevent intestinal obstruction.

You should seek the advice of a health professional if:

  • You are pregnant or breast feeding
  • If you have any problems with swallowing
  • If you have any associated features such as bleeding from the back passage, weight loss, nausea or vomiting
  • If you are taking other medications


It is contraindicated in people with:

Difficulty in swallowing

Intestinal obstruction

Impacted stool

Colonic atony.

Previous sensitivity or allergy to the medicine

Side Effects

Side effects can include:

  • Flatulence
  • Abdominal distension
  • Hypersensitivity to the drug
  • Rarely Bowel obstruction

Adult Dose

The adult dose depends on the preparation, but is usually 1 sachet in 150ml water (a glass of water) twice a day.

Always read the manufactures instructions

The Doctors View Of Ispaghula

A commonly used preparation prescribed by doctors, but not always effective or appropriate.

It does have a role to play, particularly in IBS-C, although can make symptoms worse in some sufferers.

It’s a drug worth trying in constipation. It comes in a sachets which are original or orange flavour which you mix up in water.


The References:

BMJ. 2009 Aug 27;339:b3154. doi: 10.1136/bmj.b3154. Soluble or insoluble fibre in irritable bowel syndrome in primary care? Randomised placebo controlled trial. Bijkerk CJ, de Wit NJ, Muris JW, Whorwell PJ, Knottnerus JA, Hoes AW.

PLEASE NOTE: Whilst this website has taken every care to make sure the information is correct, I cannot accept any liability for any of the above information.

If any concerns, always read the drug manufacturers guidelines or consult a doctor.

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