How Much Does Polymyxin B/Trimethoprim Cost?
Polymyxin B/Trimethoprim (Polymyxin B sulfate / Trimethoprim) costs from $12/month when pharmacies compete on Script Unlock — vs $20 or more at chain pharmacies without insurance.
Updated May 2026 · Verified pharmacy data
Polymyxin B/Trimethoprim Price Comparison 2026
Chain pharmacy retail$20–$28
Coupon app price (approx)$16–$22
Script Unlock cash pricefrom $12
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Polymyxin B/Trimethoprim Cost by State
Frequently Asked Questions
How much does Polymyxin B/Trimethoprim cost without insurance?
Polymyxin B/Trimethoprim (Polymyxin B sulfate / Trimethoprim) costs from $12 per month without insurance when you compare pharmacy cash prices on Script Unlock. The retail price at chain pharmacies can be $20 or more. Comparing pharmacies saves you up to 40%.
Why do Polymyxin B/Trimethoprim prices vary so much between pharmacies?
Each pharmacy sets its own cash price for Polymyxin B/Trimethoprim. Large chain pharmacies often charge significantly more than independent pharmacies for the same medication. Script Unlock creates real competition — pharmacies bid to fill your prescription, driving the price to its true floor.
Is there a generic version of Polymyxin B/Trimethoprim that costs less?
Yes — generic Polymyxin B sulfate / Trimethoprim is FDA-approved and bioequivalent to brand-name Polymyxin B/Trimethoprim. Generic versions typically cost significantly less. Compare generic prices at scriptunlock.com.
How can I get the lowest price on Polymyxin B/Trimethoprim?
Upload your Polymyxin B/Trimethoprim prescription to Script Unlock — verified pharmacies will compete with their best cash price. You choose the lowest bid. No coupons, no insurance card, no data sharing. Most patients save 40% or more vs retail.