Tobramycin Ophthalmic Solution 0.3%
Tobramycin Ophthalmic Solution 0.3%
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At a Glance
Topical antibiotic solution protects pet 's eyes from external bacterial infections.
Works for dogs and cats.
Need a licensed veterinarian to monitor its use to prevent kidney dysfunction.
Veterinarian specifies dosage for your pet to prevent overdose paralysis.

Tobramycin Ophthalmic Solution 0.3%

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At a Glance
Topical antibiotic solution protects pet 's eyes from external bacterial infections.
Works for dogs and cats.
Need a licensed veterinarian to monitor its use to prevent kidney dysfunction.
Veterinarian specifies dosage for your pet to prevent overdose paralysis.

Ultimate Guide to Tobramycin Ophthalmic Solution 0.3%

Meet the Pet Eye Infection Protector: Tobramycin Ophthalmic Solution 0.3%!

Tobramycin Ophthalmic Solution 0.3% is a prescription (e.g., conjunctivitis). Generic alternative Tobramycin for dogs and cats is a two to three times daily solution that is applied outside of the eye, which eases their discomfort during the healing process.

How does Tobramycin Ophthalmic Solution 0.3% work?

Tobramycin Ophthalmic Solution 0.3% is a topical aminoglycoside and a highly potent, broad-spectrum antibiotic that stops bacterial growth. Tobramycin Ophthalmic Solution 0.3% treats external eye bacterial infections by fighting and preventing the spread of particularly dangerous Gram-negative infections.

Tobramycin is especially effective against species of Pseudomonas bacterium, such as conjunctivitis. The aminoglycoside enters the bacterial cell wall and binds with the cell 's ribosomes which are fundamental to protein synthesis for the production of the bacteria. Then the aminoglycoside inhibits protein synthesis and causes the bacterial cell to die.

Tobramycin 's other additives are inactive ingredients and a preservative.

How is Tobramycin administered?

Tobramycin 's sterile solution is applied topically outside of the pet 's eye, not inside. Cradle the pet 's head and face upward towards the ceiling before applying the solution around the eye, and don 't allow your pet to wipe away the solution until it is absorbed.

Wash your hands before and after application. Do not touch the sterile applicator for this will contaminate the solution.

In terms of Tobramycin dosage, the usual dosage is 1 to 2 Tobramycin drops to each affected eye every 12 hours. However, a licensed veterinarian will dictate the pet 's specific dosage to prevent paralysis from an accidental overdose. Twice a day applied for seven days should show improvements in your pet 's infection and suffering.

Which precautions of which you should be aware?

Pets that cannot use Tobramycin are those who are allergic to the product, have inner organ complications, or those who are dehydrated. Certain medications have negative interactions with Tobramycin Ophthalmic Solution, such as other eye medications. Safety to pregnant, breeding or lactating pets has not been evaluated.

Overdose can paralyze the pet, so keep following the specific prescribed dosage by your veterinarian. Longterm use of the product can cause kidney damage or kidney dysfunction. If you observe any of these symptoms, call your veterinarian or emergency veterinary clinic immediately!

What are Tobramycin 's side effects of which you should be aware?

The most frequent adverse reactions are hypersensitivity, burning, stinging, eyelid swelling or itching, and conjunctival erythema (i.e., redness). If your pet reacts to Tobramycin Ophthalmic Solution USP, 0.3%, discontinue use and consult your veterinarian.

Frequently Asked Questions
  1. What is Tobramycin?

    Tobramycin is a prescription aminoglycoside antibiotic topical solution to protect pets ' eyes from external bacterial infections. Tobramycin for dogs and cats is a two to three times a day solution that is applied outside of the eye to cause the breakdown of gram-negative bacterial cell walls which stops bacterial growth and spreading infection.

  2. How do I use Tobramycin 0.3% eye drops?

    Tobramycin 0.3% is for topical ophthalmic use only externally and not for injection inside the eye.

  3. Can you use Tobramycin for ears?

    Applying Tobramycin eye drops to the ear is ototoxic (i.e., toxic to the ear). Ototoxicity can cause irreversible and permanent damage to the ear.

  4. What is Tobramycin Dexamethasone?

    Tobramycin is the antibiotic that treats the infection. Dexamethasone is the corticosteroid that reduces the swelling. Tobramycin Dexamethasone (the generic name for Tobradex) is a combination of two antibiotic eye drops that effectively treat bacterial eye infections while also reducing swelling associated with the infection.

Concluding Thoughts

The most important thing that you should know about Tobramycin for dogs and cats is its power to give relief to external eye bacterial infections, protecting pets ' eyes during the healing process, and showing eventual improvement in their infection and suffering.

DISCLAIMER: Ask your veterinarian or consult with one of our pet care specialists at 1-800-844-1427. This informative article is not meant to substitute for the diagnosis, treatment, and professional advice from your veterinarian or other qualified professionals regarding a medical condition.



Tobramycin Ophthalmic Solution is the Generic Alternative to Tobrex.

Tobramycin 3 mg 0.3%.

Inactive Ingredients: Boric Acid, Sodium Sulfate, Sodium Chloride, Tyloxapol and Purified Water. Sodium Hydroxide and/or Sulfuric Acid may be added to adjust pH 7.0 - 8.0.

Preservative added: Benzalkonium Chloride 0.1 mg 0.01%.

Side effects are rare with Tobramycin Ophthalmic Solution, however, if your pet appears to be disturbed by burning or stinging, or if inflammation appears to worsen, discontinue right away and contact your vet. The most frequent adverse reactions to Tobramycin are hypersensitivity and localized ocular toxicity, including lid itching and swelling, and conjunctival erythema.

Tobramycin Ophthalmic Solution should not be used in conjunction with any other topical antibiotic solution or ointment unless otherwise dictated by your veterinarian.

Ask your veterinarian or consult with one of our pet care specialists at 1-800-844-1427.

This information is for informational purposes only and is not meant as a substitute for the professional advice of, or diagnosis or treatment by, your veterinarian. Always seek the advice of your veterinarian or other qualified professional with any questions you may have regarding a medical condition. Never disregard or delay seeking professional advice due to what you may have read on our website. Our medications are FDA approved and/or EPA regulated when and as required by law.

Follow the application instructions on the box, and adhere to your veterinarianโ€™s dosage instructions. Your veterinarian will likely instruct you to use the entire container of solution, even if symptoms appear to have diminished or disappeared entirely.

Be sure to wash your hands before administering the solution, and be careful not to touch the tip of the applicator. The medicine is sterile, and touching it could contaminate the tip.

To apply, youโ€™ll cradle your petโ€™s face, and encourage their face upward toward the ceiling. Gently apply the solution around the eye, and donโ€™t allow your pet to wipe the solution away. Donโ€™t forget to praise your pet for cooperating.

Option UPC/SKU
0.3% Opthalmic Solution, 5ml 361314643056

How to Order Prescriptions Online

1. Find the Right Product

Make sure it matches your pets prescription. Donโ€™t forget to compare the dosage for pills/capsules!

2. Add to Cart

Just like any other online store. Make sure the quantity matches whatโ€™s been prescribed by your vetinarian.

3. Tell Us About Your Pet and Vet

Answer some questions during checkout and weโ€™ll contact your vet and verify the prescription for you. You can also mail us the written prescription.

4. Thatโ€™s It!

If the prescription has any refills, processing your future orders for that medication can be expedited.

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