Lactulose · solution
Lowest price
$4.76
Save up to $6.54
Last verified:
Osmotic laxative for chronic constipation and hepatic encephalopathy. Draws water into the bowel and promotes beneficial gut bacteria.
Lactulose 10g/15mL is available at 9 pharmacy chains in Canada, with prices ranging from $4.76 to $11.30. You could save up to $6.54 by choosing Costco Pharmacy - Red Deer over Guardian Pharmacy - Kingsway.
Save up to $6.54 (58%)
by choosing Costco Pharmacy - Red Deer over Guardian Pharmacy - Kingsway
What drives the $6.54 gap?
The dispensing fee is the biggest factor in the price difference for this medication. This is a flat fee pharmacists charge per fill — it can vary by over $7 between chains.
Visual comparison — green bar = cheapest
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Submit a PriceLactulose 10g/15mL is available at 9 pharmacy chains across 42 cities
Available in 34 locations · Shoppers Drug Mart is Canada's largest pharmacy chain
$9.59
View all pricesCostco Pharmacy - Red Deer
Red Deer, Regina, Chilliwack +28 more
$4.76
CheapestLondon Drugs - Winnipeg
Winnipeg, Sherbrooke, Saguenay +21 more
$9.57
Walmart Pharmacy - Polo Park
Winnipeg, Toronto, Hamilton +23 more
$9.58
Rexall - Winnipeg
Winnipeg, Brandon, Drummondville +26 more
$9.59
Shoppers Drug Mart - Brandon
Brandon, Winnipeg, Montreal +31 more
$9.59
Familiprix - Saint-Roch
Quebec City, Montreal
$9.82
Jean Coutu - Sainte-Catherine
Montreal, Quebec City
$10.15
Medicine Shoppe - Brentwood
Calgary, Vancouver, Toronto +2 more
$10.30
Guardian Pharmacy - Kingsway
Toronto, Vancouver, Calgary +4 more
$11.30
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Head-to-head comparisons
Common questions about Lactulose 10g/15mL pricing and availability
Lactulose 10g/15mL solution costs as low as $4.76 at Costco Pharmacy - Red Deer, and up to $11.30 at Guardian Pharmacy - Kingsway. Prices vary by pharmacy chain and location in Canada. We compare prices at 9 pharmacy chains to help you find the lowest price.
Lactulose 10g/15mL is available at 9 pharmacy chains across 7 cities in Canada, including Red Deer, Winnipeg, Brandon, Quebec City, Montreal and more. The cheapest option is Costco Pharmacy - Red Deer at $4.76.
Lactulose 10g/15mL costs $9.59 at Shoppers Drug Mart in Brandon. This includes the dispensing fee of $9.28. You could save $4.83 by switching to Costco Pharmacy - Red Deer.
Yes, Lactulose 10g/15mL requires a valid prescription from a licensed healthcare provider in Canada. Visit your doctor or use a telemedicine service to get a prescription, then compare pharmacy prices on TransparentMedz to find the lowest cost.
You can save up to $6.54 (58%) on Lactulose 10g/15mL by choosing Costco Pharmacy - Red Deer over Guardian Pharmacy - Kingsway. Other ways to save include: asking for generic alternatives, checking if your insurance covers it, using pharmacy loyalty programs, and buying in larger quantities to reduce per-unit costs.
Official resources for drug information, coverage, and patient assistance
Health Canada Drug Product Database
Official Canadian drug database with DIN lookup
Ontario Drug Benefit Formulary
Check if your drug is covered by Ontario public plans
Canadian Pharmacists Association
Find a licensed pharmacist or pharmacy near you
BC PharmaCare
British Columbia drug coverage and formulary
RAMQ (Quebec)
Quebec prescription drug insurance plan