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 597.07
DVAGO observed price · as of 30 July 2026
No approved ceiling matched to this exact pack and strength.
Prices across sources
DVAGORs 597.07
ServaidRs 397.1
Should you consider an alternative?
Other options containing Lactulose, and what they are not.
Same active ingredient, a different dose. Never switch strength without your doctor or pharmacist.
LUXAVE
120 ML
Rs 192.66Rs 192.66/unit
SEARLE PAKISTAN (PVT) LTD.
B-Lact
120ml 3.35g/5ml
Rs 195.27Rs 195.27/unit
Brookes Pharma Private Limited
Laevolac
120ml 3.35g/5ml
Rs 219.93Rs 219.93/unit
HILTON PHARMA
Lactobex
3.35g
Rs 142.53
CIBEX
Glac
5ml
Rs 152.83
Global Pharmaceuticals Pvt Ltd
Blact
120ml
Rs 195.27
BROOKES
Bilagol L
Rs 203
Below approved ceilingThe Schazoo Pharmaceutical Laboratories (Pvt.) Ltd.
Bilagoll
120ml
Rs 203
Schazoo Laboratories (Pvt) Ltd
Lactodil
120ml
Rs 205
DON VALLEY PHARMACEUTICALS (PVT) LTD.
Osmolac
100ml
Rs 207.61
No DRAP alertsREMINGTON PHARMACEUTICAL INDUSTRIES (PVT) LTD.
Laevolac
Rs 219.93
Below approved ceilingHILTON PHARMA (PVT) LIMITED
Laevolac
120ml
Rs 219.93
HILTON
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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