Fibolac Powder

In the colon it is broken down to short chain organic acids and increases osmotic pressure in the colon, thereby causing an increase in the stool water content and stool volume.


Constipation, Hepatic encephalopathy

Fibolac is also used to associated treatment for these conditions: Constipation, Hepatic Encephalopathy (HE), Occasional Constipation, Chronic idiopathic constipation (CIC)


Trade Name Fibolac
Generic Lactitol
Lactitol Other Names Lactitol, Lactitolum
Weight 10gm
Type Powder
Formula C12H24O11
Weight Average: 344.3124
Monoisotopic: 344.13186161
Protein binding

As it undergoes little-to-no systemic absorption, lactitol is unlikely to be subject to protein binding.

Therapeutic Class Osmotic purgatives
Manufacturer Radiant Pharmaceuticals Ltd
Available Country Bangladesh
Last Updated: June 23, 2021 at 11:22 am


Lactitol Structure


Fibolac dosage

2 teaspoonfuls (20 gm) once or twice daily with plenty of water

Side Effects

Abdominal distension, flatulance and abdominal cramp.


Lactose intolerance.

Food Interaction

  • Take with food. The manufacturer recommends administration with meals.

Volume of Distribution

Data regarding the volume of distribution of lactitol are unavailable.

Half Life

The average half-life of orally administered lactitol is 2.4 hours.


Data regarding the clearance of lactitol are unavailable.

Pregnancy & Breastfeeding use

Pregnancy Category - Not Classified. FDA has not yet classified the drug into a specified pregnancy category.


Patients with known hypersensitivity to any of the active substance. Gastro-intestinal obstruction. Galactosaemia.

Innovators Monograph

Fibolac contains Lactitol see full prescribing information from innovator Monograph