Colistin Without Insurance: From $138/mo — No Coupon, No Membership
How much does Colistin cost without insurance?
Without insurance, Colistin typically costs from $138/month when you compare pharmacies through Script Unlock. Cash-pay prices are set by pharmacies competing directly for your prescription — no PBM, no discount card required. Most patients save 54% vs the retail sticker price at chain pharmacies.
- Average US retail: $300/month at chain pharmacies
- Script Unlock cash price: from $138/month (54% off)
- No coupons or discount cards — pharmacies compete directly
If you don't have insurance — or your insurance doesn't cover Colistin (Colistimethate sodium) — you can still pay a fair cash price. Script Unlock lets verified pharmacies compete on your prescription, so you don't have to chase coupons or call ten pharmacies yourself.
Average US retail for Colistin: $300/mo. Average Script Unlock cash price: $138/mo. Patients save up to 54%.
Colistin Cash Price Comparison (2026)
Estimated monthly cash price for Colistin (Colistimethate sodium) across common discount channels. Script Unlock prices are based on real pharmacy bids — not pre-set coupons.
| Channel | Avg Monthly Price | % off Retail |
|---|---|---|
| Standard Retail Pharmacy | $300 | 0% |
| GoodRx Coupon (avg) | ~$165 | ~45% |
| SingleCare Card (avg) | ~$174 | ~42% |
| Script Unlock Pharmacy Bid | $138 | 54% |
Prices shown are national averages for a 30-day supply at typical dosages. Your actual cash price depends on dose, quantity, and zip code.
How to Get Colistin Without Insurance — 3 Steps
Upload Your Rx
Snap a photo of your Colistin prescription or e-script. Takes 60 seconds. No account, no credit card, no insurance card.
Pharmacies Bid
Verified, NPI-checked pharmacies in your area submit cash bids on your Colistin prescription. You see every bid side-by-side.
Pick the Lowest
Choose the lowest bid and pay the pharmacy directly. Price is locked — no surprises at the counter.
Why You Don't Need Insurance to Save on Colistin
- Cash price often beats your copay. Even insured patients pay more through insurance for Colistin than they would in cash — your tier 2 or 3 copay can exceed the actual pharmacy cost.
- No deductible to clear. If you haven't met your deductible, you're paying 100% of an inflated list price. Cash pay sidesteps that entirely.
- No prior authorization delay. Insurance often requires prior auth for Colistin. Cash pay bypasses the paperwork.
- No PBM data sharing. When you use insurance, your prescription history flows through pharmacy benefit managers. Cash pay keeps it between you and the pharmacy.
- Counts toward HSA/FSA. Colistin purchased without insurance is still HSA- and FSA-eligible with a receipt.
Colistin Cash Price by State
Cash prices for Colistin without insurance vary by state — driven by local pharmacy density, uninsured rate, and chain market share. Top 10 states by population:
| State | Uninsured Rate | Estimated Cash Range | Local Page |
|---|---|---|---|
| Texas | 18.4% | $144 – $325/mo | View TX → |
| California | 7% | $136 – $291/mo | View CA → |
| Florida | 13.2% | $140 – $310/mo | View FL → |
| New York | 5.7% | $135 – $287/mo | View NY → |
| Georgia | 13.7% | $141 – $311/mo | View GA → |
| Pennsylvania | 5.6% | $135 – $287/mo | View PA → |
| Illinois | 6.8% | $136 – $290/mo | View IL → |
| Ohio | 6.5% | $136 – $290/mo | View OH → |
| North Carolina | 11.1% | $139 – $303/mo | View NC → |
| Michigan | 5.8% | $135 – $287/mo | View MI → |
Script Unlock vs GoodRx vs SingleCare vs Retail
| Feature | Retail | GoodRx | SingleCare | Script Unlock |
|---|---|---|---|---|
| Colistin avg price | $300 | ~$165 | ~$174 | $138 |
| Pricing model | Posted cash | Fixed coupon | Fixed coupon | Live bidding |
| Data sold to PBMs | — | Yes | Yes | Never |
| Pharmacy choice | Any | Network | Network | 500+ verified |
| Patient cost | — | Free | Free | Free |
Colistin Cash Price by Dose (No Insurance)
Without insurance, Colistin cash price depends on the prescribed strength. Below are typical Script Unlock verified pharmacy cash prices for common Colistin dose strengths, comparing 30-day and 90-day supplies.
| Strength | 30-day cash | 90-day cash | 90-day savings |
|---|---|---|---|
| Standard dose | $157 | $422 | 10% |
Colistin Cash Price by Pharmacy Chain
Chain pharmacy cash prices for Colistin without insurance vary significantly. Below are typical retail cash prices at major US pharmacy chains — no coupons, no insurance.
| Pharmacy | 30-day cash | 90-day cash |
|---|---|---|
| CVS Pharmacy | $342 | $872 |
| Walgreens | $363 | $926 |
| Walmart | $247 | $630 |
| Costco Pharmacy | $229 | $584 |
| Kroger Pharmacy | $251 | $640 |
| Rite Aid | $328 | $836 |
| Publix Pharmacy | $257 | $655 |
| Safeway Pharmacy | $291 | $742 |
| Script Unlock verified pharmacies | $138 | $352 |
5 Ways to Save on Colistin Without Insurance
Beyond paying retail cash, here are the five most effective ways to reduce your Colistin cost when you don't have insurance. We're listing all options honestly — not just Script Unlock.
Compare cash prices across pharmacies (Script Unlock)
Pharmacies set different cash prices for Colistin. Verified independent pharmacies typically charge 40–70% less than chain pharmacies for the same medication. Script Unlock shows you real cash prices from pharmacies near you — no insurance required, no coupon codes, no membership fees.
Switch to the generic version
Colistin has a generic alternative — Colistimethate sodium — that contains the identical active ingredient at the same dose. FDA-approved generics undergo the same bioequivalence testing as brand medications. Ask your prescriber if generic Colistimethate sodium is appropriate.
Buy a 90-day supply instead of 30-day
Pharmacies typically discount 90-day supplies of Colistin by 10–20% compared to buying 30-day quantities three times. Fewer dispensing fees, fewer refill trips. Ask your prescriber to write a 90-day prescription with refills.
Check for manufacturer patient assistance
If Colistin is a brand-name medication and you meet income thresholds, the manufacturer may offer a Patient Assistance Program (PAP) providing the drug at no cost. Programs typically require prescriber attestation and annual re-enrollment. Note: PAPs usually exclude Medicare patients due to federal anti-kickback rules.
Ask your prescriber about therapeutic alternatives
There may be a clinically similar medication in the same drug class at a lower price. For example, older members of a drug class often cost less than newer options while providing similar clinical outcomes for many patients. Never switch medications without prescriber approval — but a conversation costs nothing.
Colistin Without Insurance — Frequently Asked Questions
Can I get Colistin without insurance?
What's the cheapest way to get Colistin?
Is Colistin available as a generic?
How much does Colistin cost without insurance?
Does GoodRx work for Colistin?
How much does Colistin cost without insurance?
Why do Colistin prices vary so much between pharmacies?
Is generic Colistimethate sodium available?
Can I get Colistin without a prescription?
What is the cheapest pharmacy for Colistin?
Does insurance cover Colistin?
Can I use GoodRx or SingleCare for Colistin?
Is it safe to buy Colistin from an independent pharmacy?
Can Medicare patients save on Colistin?
Do Colistin prices change frequently?
Should I fill Colistin at a mail-order pharmacy?
Are Colistin manufacturer coupons or copay cards useful?
How do I get the price I see on Script Unlock?
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