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MRP: Rs. 180 for 1 box(s) (120 GM powder each)
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Composition for ISABLAC

Lactulose(10 gm),Ispaghula(3.5 gm)

food interaction for ISABLAC

alcohol interaction for ISABLAC

pregnancy interaction for ISABLAC

lactation interaction for ISABLAC

There is no data available. Please consult doctor before consuming the drug.
Interaction with alcohol is unknown. Please consult your doctor.
Isablac powder is probably safe to use during pregnancy.
Either animal studies have shown no adverse effect on the fetus, but there is no human studies or animal studies have shown an adverse effect that was not confirmed in human studies. Please consult your doctor.
Unknown. Human and animal studies are not available. Please consult your doctor.


Lactulose(10 gm)


Lactulose is used to treat constipation, abnormal brain function due to liver failure (hepatic encephalopathy and coma).

How it works

Lactulose is a synthetic sugar, belongs to class of medications called hyperosmotic laxative. Lactulose draws water in colon, which increases pressure in the colon to then stimulate bowel movements and helps in evacuation of bowel. It also draws ammonia from the blood into the colon where it is removed from the body, thereby reducing the amount of ammonia in the blood of patients with liver disease.

Common side effects

Abdominal pain, Diarrhoea, Nausea, Stomach pain, Stomach cramp, Vomiting
Ispaghula(3.5 gm)


Used for the treatment and management of constipation including pregnancy-associated constipation, hemorrhoids, anal fissures, diverticular disease, ulcerative colitis and inflammatory bowel syndrome.

How it works

Ispaghula husk absorbs more water and add bulk (fiber) in the intestine and promotes normal bowel movement.

Common side effects

Abdominal bloating, Flatulence, Intestinal obstruction, Gastrointestinal discomfort


3 Substitutes
Sorted By
    (90 GM powder in box)
    Panacea Biotec Ltd
    Rs. 2.44/GM of powder
    Rs. 219.50
    pay 63% more per GM of powder
    (90 GM powder in box)
    Avis Lifecare Pvt Ltd
    Rs. 1.94/GM of powder
    Rs. 175
    pay 30% more per GM of powder
    (100 GM powder in box)
    Cachet Pharmaceuticals Pvt Ltd
    Rs. 2.40/GM of powder
    Rs. 240
    pay 60% more per GM of powder

Expert advice for ISABLAC

Do not take lactulose oral solution and consult your doctor:
  • If you are allergic to lactulose or any other ingredient of solution.
  • If you have galactosemia (inability to metabolize sugar glucose properly).
  • If you have diabetes, unexplained stomachache, blockage in bowel or have risk of digestive perforation.
  • If you have intolerance to certain sugars (lactose, galactose, or fructose).
  • Stop using lactulose and call your doctor at once if you have severe or ongoing diarrhea.
  • Do not use the solution  if it becomes very dark, or if it gets thicker or thinner in texture.
  • If you are using the lactulose powder , it should be mixed with at least 4 ounces of water. You may also use fruit juice or milk to make the medication taste better.

Frequently asked questions for ISABLAC


Q. Is lactulose a stool softener, stimulant laxative?
Lactulose is stool softener, Lactulose is not a stimulant laxative it is a hyperosmotic laxative.
Q. Can I take lactulose for constipation?
 It can be taken for constipation.

Q. Is lactulose safe for diabetics?
In diabetic patients lactulose may increase the blood sugar, make you feel confused, drowsy, or thirsty. Always consult your doctor before use.
Q. Does lactulose increase blood sugar?
In diabetic patients lactulose may increase the blood sugar, make you feel confused, drowsy, or thirsty. Always consult your doctor before use.
Q. Does lactulose contain sugar?
Lactulose is a non-digestible sugar.

Q. Is lactulose over the counter?
Lactulose is available over the counter.
Q. Is lactulose fattening (makes you fat), cause wind (gas), cause weight loss and bloating?
Lactulose does not cause weight gain or weight loss. Lactulose can cause bloating and wind (gas).
Q. Is lactulose gluten free?
Lactulose is gluten free. However, please refer to package insert of the prescribed brand before use.
Q. How long can I take lactulose?
Please consult your doctor for dose and duration required.
Q. Can I take lactulose with antibiotics, omeprazole, Senokot, Fybogel, warfarin, iron tablets, senna, paracetamol, Gaviscon?
Lactulose may interact with antibiotics, omeprazole, and Gaviscon/calcium carbonate. Senokot/senna, Fybogel/ispaghula when taken with lactulose may result in diarrhea. No interactions have been observed when lactulose is taken with warfarin, iron tablets, and paracetamol. 
Q. Does lactulose contain lactose?
Lactulose contains lactose, galactose, and small amounts of fructose. Do not take lactulose if you have intolerance to these sugars.


Content on this page was last updated on 28 September, 2016, by Dr. Varun Gupta (MD Pharmacology)