Walmart Pharmacy · Price Comparison 2026
Lactulose at Walmart Pharmacy: ~$24
Walmart offers some of the lowest chain prices via their $4/$10 generic program — but independent pharmacies can still beat it with competition. When independent pharmacies compete on Script Unlock, the same Lactulose (Lactulose) is available from $7 — saving you $17 per fill.
Walmart Pharmacy Price
~$24
typical cash price
Competing Pharmacies
From $7
when pharmacies compete
You Could Save
$17
vs Walmart Pharmacy
Free · No account needed · Takes 30 seconds
Don't Pay Walmart Pharmacy's $24 for Lactulose
Pharmacies compete. You save $17. Takes 30 seconds.