Colistin Cost: From $105 — Compare 500+ Pharmacies
How much does Colistin cost?
Colistin costs from $105/month at verified pharmacies on Script Unlock — up to 65% less than the retail price of $300. No insurance card, no discount coupon, and no membership needed. Cash pay through Script Unlock's competitive bidding marketplace typically beats GoodRx and SingleCare on chronic medications.
- Retail price: $300/month at chain pharmacies
- Script Unlock cash price: from $105/month (65% off)
- No insurance card, no discount coupon, no membership required
Compare verified pharmacy prices for Colistin and save up to 65% vs retail. Pharmacies compete for your prescription.
About Colistin
A polymyxin antibiotic used for serious multi-drug resistant Gram-negative bacterial infections, often as a last resort.
Acts as a cationic detergent, disrupting bacterial cell membranes.
Colistin Prices by State
Why Script Unlock?
- Pharmacies compete in real time — you get the lowest price, not a pre-set coupon
- No insurance required — cash-pay prices verified directly with pharmacies
- Compounding pharmacy options available for eligible medications
What is Colistin used for?
Colistin is commonly prescribed for Multi-drug resistant gram-negative infections, Cystic fibrosis exacerbations. Your prescriber chooses Colistin based on guidelines, your medical history, and how you've responded to other treatments.
- •Multi-drug resistant gram-negative infections
- •Cystic fibrosis exacerbations
How does Colistin work?
Acts as a cationic detergent, disrupting bacterial cell membranes.
This is a general mechanism summary. Specific effects depend on your dose, frequency, and individual factors — confirm details with your pharmacist.
5 questions to ask before starting Colistin
- 1.What should I expect in the first 1–2 weeks on Colistin?
- 2.Are there generic versions of Colistin I should ask about?
- 3.What side effects warrant calling you vs the pharmacist?
- 4.Do any of my current medications, supplements, or foods interact with Colistin?
- 5.If Colistin doesn't work or I can't tolerate it, what's the next option?
Colistin brand names and generic
Colistin is sold under these brand names: Coly-Mycin, Colistin Sandoz. The generic version contains the same active ingredient (Colistimethate sodium) and meets the same FDA standards but typically costs 70–90% less than the brand.
Available Colistin strengths
Your prescriber selects the strength most appropriate for your case. See the Colistin dosage guide for more on dosing.
Find the lowest Colistin cash price
Upload your Colistin prescription and verified pharmacies bid for your fill. 100% free for patients. No insurance, no membership, no sign-up.
Free for patients. No insurance, no membership, no sign-up required.
Colistin: Frequently Asked Questions
What is Colistin used for?
Colistin is a prescription medication used to treat various conditions. Consult your healthcare provider for guidance on whether Colistin is appropriate for you and what dosage you require.
How can I save money on Colistin?
The most reliable way to save on Colistin is to compare cash prices across multiple pharmacies before filling. ScriptUnlock surfaces the lowest cash price among participating pharmacies, often well below the retail price.
Does Colistin have a generic version?
Many medications have generic equivalents that work the same way as the brand-name version but cost significantly less. Check whether a generic version of Colistin is available — your prescriber or pharmacist can confirm.
Can I get Colistin without insurance?
Yes. Colistin is available as a cash-pay prescription at most pharmacies regardless of insurance status. ScriptUnlock compares cash prices so uninsured patients pay the lowest available price.
Where can I find the cheapest Colistin near me?
Cash prices for Colistin can vary significantly between pharmacies in the same area. ScriptUnlock compares participating local pharmacies in real time so you pay the lowest available price.