Walmart Pharmacy · Price Comparison 2026
Promethazine at Walmart Pharmacy: ~$28
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 Promethazine (Promethazine Hydrochloride) is available from $6 — saving you $22 per fill.
Walmart Pharmacy Price
~$28
typical cash price
Competing Pharmacies
From $6
when pharmacies compete
You Could Save
$22
vs Walmart Pharmacy
Free · No account needed · Takes 30 seconds
Don't Pay Walmart Pharmacy's $28 for Promethazine
Pharmacies compete. You save $22. Takes 30 seconds.