Drug Identity
Active Ingredient
Lactulose
Drug Class
Drugs For Constipation
Chemical Class
Disaccharide Carbohydrate
ATC Code
A06AD11
Status
Essential Medicine
What is Duphalac?
Uses
Lactulose is used to treat chronic constipation . Lactulose is sometimes used to treat or prevent certain conditions of the brain that ar...
How It Works
Chemical Class
Disaccharide Carbohydrate
It is of Synthetic origin and belongs to Disaccharide Carbohydrate. It belongs to Antimicrobial Agent pharmacological group. The Molecular Weight of Lactulose is 342.30.
How to Take It
1
Adult · PO
15 to 30 ml — As recommended.
As Required
2
Adult
Scraped Dose
Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed. Mix lactulose powder with at least 4 ounces of water, mi
3
Child · As required according to age.
2.5 to 0 ml — As recommended.
4
Child · Oral
335 mg/kg — 12 hourly
-
Safety Alerts
Galactosaemia, intestinal obstruction
Important Warnings
Lactose intolerance
Side Effects
Hypokalemiahyponatremiadehydrationabdominal discomfortcrampsflatulencenauseavomitingdiarrhea
Drug Interactions
Other drugs may affect lactulose
including prescription and over-the-counter medicines
vitamins
and herbal products . Tell your doctor about all other medicines you use.
Pregnancy & Lactation
Pregnancy
Caution advised
Lactation
Caution advised
Storage
Oral Syrup, Rectal Soln Store in a well closed container, Below 20°C. Protect from Sunlight.
Price Intelligence
Rs 626.55
DRAP approved maximum price · per 240ml · approved 23 Jul, 2026
No retail price observed for this pack. Retailers may not exceed the approved maximum.
Prices across sources
DRAPper 240mlRs 626.55
Should you consider an alternative?
Other options containing Lactulose, and what they are not.
Identical active ingredient at the same strength. Cheapest per unit first.
Osmolac
100ml
Rs 207.61
No DRAP alertsREMINGTON PHARMACEUTICAL INDUSTRIES (PVT) LTD.
Pclac
100ml
Rs 283.5
No DRAP alertsPOPULAR CHEMICAL WORKS (PVT) LTD.
Lactulac
100ml
Rs 249.88 ceiling
DELUX CHEMICAL INDUSTRIES
Ordered by lowest price per unit where a pack size is known, then by price. Order is never affected by sponsorship. Not medical advice — confirm any change with your pharmacist or doctor.
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