Amazon Pharmacy · Price Comparison 2026
Promethazine at Amazon Pharmacy: ~$29
Amazon Pharmacy offers transparent pricing but is mail-order only with fixed prices. Script Unlock creates real competition among local pharmacies. When independent pharmacies compete on Script Unlock, the same Promethazine (Promethazine Hydrochloride) is available from $6 — saving you $23 per fill.
Amazon Pharmacy Price
~$29
typical cash price
Competing Pharmacies
From $6
when pharmacies compete
You Could Save
$23
vs Amazon Pharmacy
Free · No account needed · Takes 30 seconds
Don't Pay Amazon Pharmacy's $29 for Promethazine
Pharmacies compete. You save $23. Takes 30 seconds.