Costco Pharmacy · Price Comparison 2026
Amoxicillin/Clavulanate at Costco Pharmacy: ~$38
Costco pharmacy prices are competitive, but membership is required. Script Unlock lets you compare Costco against competing local pharmacies. When independent pharmacies compete on Script Unlock, the same Amoxicillin/Clavulanate (Amoxicillin/Clavulanic Acid) is available from $9 — saving you $29 per fill.
Costco Pharmacy Price
~$38
typical cash price
Competing Pharmacies
From $9
when pharmacies compete
You Could Save
$29
vs Costco Pharmacy
Free · No account needed · Takes 30 seconds
Amoxicillin/Clavulanate Price at Other Pharmacies
Don't Pay Costco Pharmacy's $38 for Amoxicillin/Clavulanate
Pharmacies compete. You save $29. Takes 30 seconds.