Methylcellulose Fiber In IBS

Methylcellulose fiber or Celevac is a bulking agent which eases the constipation of IBS-C.

It is a little known about treatment ideal because it doesn't get absorbed and can also be used when IBS-D is a problem too.

It is available as tablets, powder or granules which can be spread on your food.

The fiber works by bulking up your stool, drawing fluid in to soften the bowel motions.

Methylcellulose Fiber

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  • Other Names - learn other names apportioned to this drug which you may find in your local pharmacy
  • Cautions - when should you avoid this drug? Important information for you to be aware of
  • Side Effects - normally tolerated well, this medicine does have a few side effects which you should be aware of
  • References - for your further reading should you wish to find out more

About It's Use

Take it for your Irritable Bowel Syndrome constipation when symptoms are an issue as well as for slowing down the frequency of diarrhea too.

It can also be used in diverticular disease and is ideal when IBS symptoms are also prevalent.

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Other Name For This Fiber

The drug is traded under the name Celevac although there are a lot of other generic brands available.

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Cautions WithThis Fiber

Think carefully about using it if you have decreased bowel motility or a narrowed intestine such as those seen with Crohns disease. 

These are very unusual conditions, so in most cases it isn't an important factor.

A good fluid intake helps to prevent intestinal obstruction symptoms with this drug as it swells in your bowel. This problem is again unusual.

Discuss with a health professional if you:

  • Take any concurrent medications
  • Have a history of previous bowel surgery
  • Have swallowing difficulties
  • Are pregnant or breast feeding
  • Any history of nausea or vomiting
  • History of allergy to medicines
  • Are taking any other laxatives 
  • Have not opened your bowels for a week or more

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Side Effects Of Celevac

The side effects include:

  • Flatulence or Wind
  • Drug hypersensitivity
  • Obstructed bowel
  • Diarrhea

If you have any of these, do discuss this with your doctor and stop the treatment until advice obtained.

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Celevac Adult Dose

The usual adult dose is 2 - 6 tablets ( 500 mg ) twice a day with at least 300 ml water if constipated.

If diarrhea occurs minimise the liquid intake for 30 minutes before and after the dose.

Always read the manufacturers instructions given with this form of therapy before taking as doses may vary.

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Calcium For Diarrhea

Methylcellulose Fiber - My View

It is an interesting option, particularly in diarrhea as the drug swells on contact with fluid.

It can also be considered for constipation too as it works to bulk up stool by soaking up fluid in the bowel.

It is a fairly innocuous drug, but one that can be helpful for some sufferers.

It also has an effect to reduce appetite so can be doubly beneficial in those sufferers trying to loose weight.

The tablets are large, but can be crushed.

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The References:

Management of irritable bowel syndrome in primary care: feasibility randomised controlled trial of mebeverine, celevac, placebo and a patient self-management cognitive behavioural therapy website. (MIBS trial).Everitt HA, Moss-Morris RE, Sibelli A, Tapp L, Coleman NS, Yardley L, Smith PW, Little PS.BMC Gastroenterol. 2010 Nov 18;10:136

PLEASE NOTE: I have taken every care to make sure information is correct on this page. Always read the drug manufacturers guidelines or consult your own doctor if any concerns.

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