Tobramycin Ophth Solution 0.3%

Generic For: Tobrex

Tobramycin ophth solution 0.3% (brand name Tobrex) is an aminoglycoside antibiotic eye drop used to treat external bacterial infections of the eye, such as bacterial conjunctivitis and blepharitis. It works by stopping the growth of susceptible bacteria on the surface of the eye. After a licensed provider reviews your information, your prescription ships from a licensed U.S. pharmacy.

Select Quantity *

7-day supply · $5.00/mL

How It Works

  1. Select your medication
  2. Licensed providers review & prescribe
  3. Our licensed U.S. pharmacists fill your prescription
  4. Delivered to you as soon as the next day

Price: $25.00

HSA/FSA Eligible
Get Started

*Doctor visit fee & delivery cost not included in price. Refills at provider discretion.

Pharmacist Support Fast Shipping Licensed U.S. Pharmacy

Buy Tobramycin Ophth Solution 0.3% (Tobrex) Online

An aminoglycoside antibiotic eye drop for bacterial conjunctivitis, blepharitis, and keratitis

Tobramycin Ophth Solution 0.3% Quick Facts

Drug classAminoglycoside antibiotic (ophthalmic)
TreatsBacterial conjunctivitis, blepharitis, keratitis, other external eye infections
FormDrops
Typical dosingInstill 1 drop in the affected eye(s) every 4 hours for 7-10 days.
Prescription requiredYes — prescription only

What Is Tobramycin Ophth Solution 0.3%?

Tobramycin ophth solution 0.3% is a prescription antibiotic eye drop, sold under the brand name Tobrex. It belongs to the aminoglycoside class of antibiotics and treats external infections of the eye and surrounding tissue caused by susceptible bacteria. The drops are applied directly to the affected eye, where the medication inhibits bacterial protein synthesis to stop the infection from spreading. It is intended for topical ophthalmic use only and is not effective against viral or fungal eye infections.

What Does Tobramycin Ophth Solution 0.3% Treat?

Bacterial conjunctivitis (pink eye caused by bacteria)
Blepharitis (eyelid infection)
Blepharoconjunctivitis
Bacterial keratitis (corneal infection)
Keratoconjunctivitis
Dacryocystitis (tear sac infection)
Other external ocular infections caused by susceptible bacteria

Tobramycin Ophth Solution 0.3% Dosage

Mild to moderate infection: Instill 1–2 drops into the affected eye(s) every 4 hours.
Severe infection: Instill 2 drops into the affected eye(s) every hour until improvement, then reduce frequency before discontinuing.

Your prescriber will determine the dose and duration that are right for you. Always follow the directions on your prescription label.

Tobramycin Ophth Solution 0.3% Side Effects

Common side effects

  • Eye irritation or discomfort
  • Burning or stinging on instillation
  • Eye redness
  • Eyelid itching or swelling
  • Tearing (watery eyes)
  • Temporary blurred vision after instillation

Serious side effects

Stop taking this medication and seek medical attention right away if you experience:

  • Signs of allergic reaction (rash, hives, swelling of face or eyelids)
  • Severe or worsening eye pain
  • Worsening redness, swelling, or discharge
  • Vision changes that persist
  • Signs of a new or secondary infection

Warnings & Interactions

For topical ophthalmic use only; do not inject or swallow
Do not use if allergic to tobramycin or other aminoglycosides
Discontinue and seek care if sensitivity or allergic reaction develops
Prolonged use may lead to overgrowth of nonsusceptible organisms, including fungi
Do not wear contact lenses while treating an active eye infection
Avoid touching the dropper tip to the eye or any surface to prevent contamination
Use caution if using with other topical or systemic aminoglycoside antibiotics

Tell your prescriber about all medications, supplements, and health conditions before starting tobramycin ophth solution 0.3%.

Talk to U.S.-Based Support

Our licensed pharmacy team in Boca Raton, Florida — real people, no overseas call centers.

Frequently Asked Questions

What is tobramycin ophth solution used for?

Tobramycin ophth solution 0.3% is an antibiotic eye drop used to treat external bacterial infections of the eye, such as bacterial conjunctivitis (pink eye), blepharitis, and keratitis. It only works against susceptible bacteria and is not effective for viral or fungal infections.

Do I need a prescription for tobramycin eye drops?

Yes. Tobramycin ophth solution 0.3% (Tobrex) is a prescription medication in the United States. A licensed provider must review your health information and confirm the medication is appropriate before it can be dispensed.

How does ordering and shipping work?

After you place your order, a licensed provider reviews your information or your existing prescription. Once approved, the medication is dispensed and shipped from a licensed U.S. pharmacy directly to your address.

How long does it take tobramycin eye drops to work?

Many people notice improvement within a few days of starting treatment, though this varies by infection. Use the drops exactly as prescribed and complete the full course; contact your provider if symptoms do not improve or worsen.

Can I wear contact lenses while using tobramycin ophth solution?

Contact lenses should generally not be worn while you have an active eye infection or during treatment. Ask your prescriber when it is safe to resume wearing your lenses.

Is tobramycin ophth solution the same as Tobrex?

Yes. Tobrex is the brand name for tobramycin ophthalmic solution 0.3%. Generic tobramycin drops contain the same active ingredient at the same strength.

What should I do if I miss a dose?

Instill the missed dose as soon as you remember, unless it is almost time for your next dose. Do not use extra drops to make up for a missed dose.