Walgreens · Price Comparison 2026
Diphenhydramine at Walgreens: ~$15
Walgreens cash prices are typically among the highest of major chains. Their pricing is set by corporate, not by competition. When independent pharmacies compete on Script Unlock, the same Diphenhydramine (Diphenhydramine Hydrochloride) is available from $2 — saving you $13 per fill.
Walgreens Price
~$15
typical cash price
Competing Pharmacies
From $2
when pharmacies compete
You Could Save
$13
vs Walgreens
Free · No account needed · Takes 30 seconds
Don't Pay Walgreens's $15 for Diphenhydramine
Pharmacies compete. You save $13. Takes 30 seconds.