How much does Gentamicin Sulfate Opth Solution cost?

Pricing for Gentamicin Sulfate Opth Solution 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 Gentamicin Sulfate Opth Solution need prior authorization?

Gentamicin Sulfate Opth Solution 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 Gentamicin Sulfate Opth Solution?

We haven't verified an active copay card or PAP for Gentamicin Sulfate Opth Solution 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 Gentamicin Sulfate Opth Solution used to treat?

Gentamicin Sulfate Opth Solution (generic: Gentamicin Sulfate Opth Solution) is indicated for Blepharoconjunctivitis, Keratitis, Keratoconjunctivitis and 2 other conditions. Click any condition name on this page for more detail.

Gentamicin Sulfate Opth Solution

Generic: Gentamicin Sulfate Opth Solution

Verified·Apr 23, 2026

Manufacturer: Allergan
NDC: 72189-359
RxCUI: 310467
Route: OPHTHALMIC
ICD-10 indication: H10.9

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About Gentamicin Sulfate Opth Solution

What is this medication? Gentamicin sulfate ophthalmic solution is a prescription antibiotic medication used to treat bacterial infections of the eye, such as conjunctivitis, keratitis, and blepharitis. It belongs to a class of drugs known as aminoglycosides, which work by inhibiting the growth and reproduction of bacteria. By stopping the spread of infection, the solution helps to reduce symptoms like redness, swelling, and irritation in the affected eye.

This medication is designed strictly for topical application to the eyes and should be used exactly as directed by a healthcare professional. It is effective only against bacterial pathogens and will not treat infections caused by viruses, fungi, or parasites. To prevent the infection from returning or the development of antibiotic resistance, patients must complete the full course of therapy even if their symptoms disappear after just a few days of use.

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 Gentamicin Sulfate Opth Solution.

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GoodRx

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

Lookup Gentamicin Sulfate Opth Solution →

NeedyMeds

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

Search for Gentamicin Sulfate Opth Solution →

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 Gentamicin Sulfate Opth Solution. Official source: DailyMed (NLM) · Label effective Mar 17, 2026

Indications and usage

Gentamicin sulfate ophthalmic solution is indicated in the topical treatment of ocular bacterial infections including conjunctivitis, keratitis, keratoconjunctivitis, corneal ulcers, blepharitis, blepharoconjunctivitis, acute meibomianitis, and dacryocystitis, caused by susceptible strains of the following microorganisms: Staphylococcus aureus, Staphylococcus epidermidis, Streptococcus pyogenes, Streptococcus pneumoniae, Enterobacter aerogenes, Escherichia coli; Haemophilus influenzae, Klebsiella pneumoniae, Neisseria gonorrhoeae, Pseudomonas aeruginosa, and Serratia marcescens.

Dosage and administration

Instill one or two drops into the affected eye(s) every four hours. In severe infections dosage may be increased to as much as two drops every hour.

Contraindications

Gentamicin sulfate ophthalmic solution is contraindicated in patients with known hypersensitivity to any of its components.

Warnings

NOT FOR INJECTION INTO THE EYE Gentamicin sulfate ophthalmic solution is not for injection. It should never be injected subconjunctivally, nor should it be directly introduced into the anterior chamber of the eye.

Adverse reactions

Bacterial and fungal corneal ulcers have developed during treatment with gentamicin ophthalmic preparations. The most frequently reported adverse reactions are ocular burning and irritation upon drug instillation, non-specific conjunctivitis, conjunctival epithelial defects and conjunctival hyperemia. Other adverse reactions which have occurred rarely are allergic reactions, thrombocytopenic purpura and hallucinations. To report SUSPECTED ADVERSE REACTIONS, contact Bausch & Lomb Incorporated at 1-800-321-4576 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

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

Covered by plans

71%

3,917 of 5,509 plans

Most common tier

Tier 2

On 60% of covering formularies

Prior authorization required

of covering formularies

Tier	Formularies on this tier	Share
Tier 1 (preferred generic)	123	38%
Tier 2 (generic)	197	60%
Tier 3 (preferred brand)	4	1%
Tier 4 (non-preferred brand)	4	1%

Step therapy: 0% of formularies

Quantity limits: 19% of formularies

Coverage breadth: 328 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.