How much does Neomycin Sulfate cost?

Pricing for Neomycin Sulfate varies by insurance plan, dose, and pharmacy. Our database does not show a fixed cost because prices change faster than we can verify. For current pharmacy prices, check your insurance's formulary tier (in the prior-authorization section), use the GoodRx or Cost Plus Drugs deep links on this page, or ask your pharmacist to run a test claim. If a copay card is listed, it usually drops the out-of-pocket significantly for commercial insurance.

Does Neomycin Sulfate need prior authorization?

Neomycin Sulfate appears on 1 payer formulary in our database. PA requirements vary by payer — see the prior-authorization table on this page for specifics. In general, specialty and brand-name drugs are more likely to require PA than generic equivalents.

Is there a copay card or patient assistance program for Neomycin Sulfate?

We haven't verified an active copay card or PAP for Neomycin Sulfate in our current data. Check NeedyMeds or RxAssist for independent directories, or submit what you find via our "Report a broken link" form.

What is Neomycin Sulfate used to treat?

Neomycin Sulfate (generic: Bacitracin Zinc, Neomycin Sulfate, Polymyxin B Sulfate, and Pramoxine Hydrochloride) is indicated for Chronic Liver Failure, Liver Failure. Click any condition name on this page for more detail.

Does Neomycin Sulfate have a generic version?

The generic name for Neomycin Sulfate is Bacitracin Zinc, Neomycin Sulfate, Polymyxin B Sulfate, and Pramoxine Hydrochloride. Whether a generic is currently available depends on patent status — check the FDA Orange Book or ask your pharmacist. Generics are often substantially cheaper than brand-name drugs.

Neomycin Sulfate

Generic: Bacitracin Zinc, Neomycin Sulfate, Polymyxin B Sulfate, and Pramoxine Hydrochloride

Verified·Apr 23, 2026

Manufacturer: Pfizer
NDC: 54312-019
RxCUI: 1359350
Route: TOPICAL
ICD-10 indication: K72.10

Affordability Check

How much will you actually pay for Neomycin Sulfate?

In 30 seconds, see every legitimate way to afford Neomycin Sulfate — Medicare copay, manufacturer copay card, Patient Assistance Program, grants, or cash.

Check my options →

About Neomycin Sulfate

What is this medication? Neomycin sulfate is an aminoglycoside antibiotic primarily used to reduce the number of bacteria in the intestines. When taken orally, it is not well absorbed into the bloodstream, which allows it to target bacteria within the digestive tract effectively. One of its most common uses is as a bowel preparation treatment before surgery to prevent infections during and after the procedure. It may also be used in topical forms for skin infections, though its oral form is specifically known for its intestinal applications.

Another significant use of oral neomycin sulfate is in the management of hepatic coma, also known as portal-systemic encephalopathy. In patients with severe liver disease, certain bacteria in the gut produce ammonia, which can build up in the blood and affect brain function. By suppressing these bacteria, neomycin helps lower ammonia levels and improve the patient's mental state. It is important to use this medication only for bacterial infections, as it will not work for viral infections such as the common cold or flu.

Copay & patient assistance

Detailed copay and financial assistance information is not publicly available for this medication at this time. Please consult your pharmacist or the manufacturer's official patient support program for more details.

External links go directly to the manufacturer's portal. RxCopays does not receive compensation for referrals.

Compare pricing elsewhere

RxCopays doesn't sell drugs or take referral fees. Here are the transparent-pricing directories we recommend checking alongside your insurance formulary.

Cost Plus Drug Company

Mark Cuban's transparent-pricing pharmacy — manufacturer cost + 15% markup + $5 dispensing fee. No insurance needed. Search alphabetically for Bacitracin Zinc, Neomycin Sulfate, Polymyxin B Sulfate, and Pramoxine Hydrochloride.

Browse Cost Plus medications →

GoodRx

Compare local pharmacy prices with GoodRx coupons. Use the price with your insurance or without — whichever is cheaper.

Lookup Neomycin Sulfate →

NeedyMeds

Independent nonprofit directory of patient assistance programs, copay cards, and charity co-pay foundations.

Search for Bacitracin Zinc, Neomycin Sulfate, Polymyxin B Sulfate, and Pramoxine Hydrochloride →

RxAssist

PAP directory maintained by Volunteers in Health Care at Brown University. Free, no ads.

Search PAPs →

We deep-link because transparency helps patients. None of these partners pay RxCopays.

Prescribing information

From the FDA-approved label for Neomycin Sulfate. Official source: DailyMed (NLM) · Label effective Nov 19, 2025

Indications and usage

Uses First aid to help prevent infection in minor cuts, scrapes, and burns.

Dosage and administration

Directions • Clean the affected area • Apply a small amount of this product (an amount equal to the surface area of the tip of a finger) on the area 1 to 3 times daily • May be covered with a sterile bandage

Warnings

Warnings For external use only Do not use • in the eyes • over large areas of the body • if you are allergic to any of the ingredients • longer than 1 week unless directed by a doctor Ask a doctor before use if you have • deep or puncture wounds • animal bites • serious burns Stop use and ask a doctor if • the condition persists or gets worse • a rash or other allergic reaction develops Keep out of the reach of children. If swallowed, get medical help or contact a Poison Control Center right away.

Label text is reproduced as-is from the FDA-approved label. We do not paraphrase, summarize, or omit. Content above is for informational purposes only and is not medical advice. Always consult your prescribing clinician or pharmacist before making decisions about your medication.

Conditions we've indexed resources for

Click a condition to see copay cards, grants, and PA rules specific to it. For the full list of FDA-approved indications, see Prescribing information above.

Medicare Part D coverage

How Neomycin Sulfate appears across Medicare Part D plan formularies nationally. Source: CMS monthly Prescription Drug Plan file (2026-04-30).

Covered by plans

46%

2,547 of 5,509 plans

Most common tier

Tier 2

On 70% of covering formularies

Prior authorization required

of covering formularies

Tier	Formularies on this tier	Share
Tier 1 (preferred generic)	85	26%
Tier 2 (generic)	230	70%
Tier 3 (preferred brand)	14	4%

Step therapy: 0% of formularies

Quantity limits: 0% of formularies

Coverage breadth: 329 of 65 formularies

How to read this:plans on the same formulary share tier + PA rules. Your specific plan's copay depends on (a) the tier above, (b) your plan's cost-share for that tier, (c) whether you're in the initial coverage phase or past the 2026 $2,000 out-of-pocket cap. For your exact plan, check its Summary of Benefits or log in to your Medicare.gov account. Copay cards don't apply to Medicare (federal law).

Prior authorization & coverage

Payer	PA	Step therapy	Copay tier
— Medicare Part D	—	—	—

Payer

Step therapy

Copay tier

—

Medicare Part D

—

Related drugs

How this page is sourced

Drug identity verified against openFDA NDC Directory.
Label text (when shown) originates from NLM DailyMed.
Copay and assistance URLs verified periodically; if you hit a broken link, tell us.