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.

Can You Use Tobramycin to Treat Pink Eye?
Answer

Pink eye is most commonly caused by bacterial and viral infections. Tobramycin Ophthalmic Solution treats bacterial infections specifically in your dog's eyes. Tobramycin ophthalmic solution 0.3% can also be used on humans, as it has been FDA-approved for human use. Please note that pink eye can be caused by both bacterial and viral infections. Your first course of action would be to find out whether your dog's pink eye is caused by a bacteria or virus. In case it is a bacterial infection, your vet will have to run further tests about the specific type of infection as this medicine treats a small array of bacteria effectively. If your dog's pink eye has been caused by a viral infection, they will need to be treated with antivirals instead of antibacterials.

Can You Use Too Much Tobramycin Eye Drops?
Answer

Yes, this is potent anti-bacterial medicine, and your dog's eyes are an extra sensitive area. If you use too much, you can harm the balance of chemicals in the eyes and irritate it, whether you use this on dogs, cats, or humans. Please stick to veterinary advice about the dosage to ensure a safe recovery for your pets. Note that this is a prescription medication. You should only give prescription medicine to animals it has been prescribed to. If your dog gets pink eye and your horses pick it up, your vet has to see both before it is safe for you to give them both this medicine.

Are Antibiotic Eye Drops Safe?
Answer

Yes, antibiotic eye drops are so safe to use on your dogs and cats that they are even used routinely in humans. Even if you get pink eye, you will likely be prescribed the same eye drops for eye infections that they will.

Can I Get Antibiotic Eye Drops Over the Counter?
Answer

Antibiotics can cause harmful side effects when used without medical supervision. Tobramycin can cause liver dysfunction, eye irritation, itching, and even swelling. Your pet may suffer from hypersensitivity as well as localized ocular toxicity. You should contact your veterinarian the moment you see any side effects as they can indicate varying levels of severity in different patients. There are some antibiotics that are available over the counter. However, if they don't work against the type of infection your pet has, you would end up making them resistant or more powerful. This makes later treatment by your vet difficult, prolonged, and more expensive. It puts your pet's health at risk too. Always consult a medical professional before using any form of antibiotic.

How Quickly Does Tobramycin Work?
Answer

Tobramycin usually takes a few days to start working. The length of time needed to treat your pet's infection depends on several factors like the severity of your pet's illness, their overall health, the type of infection, and much more. Only your vet, who is well-acquainted with all these factors, can give you specific information about your pet. Most infections clear up in 5 days. If the condition is very mild, it can clear up in three days, while if it is more severe, it can take up to two weeks or more.

Is Tobramycin a Steroid?
Answer

No, the active ingredient in this medicine is an antibacterial placed in a sterile topical solution that is used to treat a variety of topical ophthalmic infections. However, this medicine is often combined with dexamethasone, which is a steroid. While this product doesn't contain a steroid, others might. Please read the label before dosing your pet.

What Bacteria Does Tobramycin Treat?
Answer

This medication can be used by your veterinarian to treat gram-positive staphylococcus aureus and a variety of gram-negative bacteria. It is also used to treat pseudomonas aeruginosa in human cystic fibrosis patients.

Do You Need a Prescription for Tobramycin?
Answer

Yes, these medications are prescription antibiotics. A prescription antibiotic legally require a prescription before purchase, as it can cause harm in unsupervised settings. Please contact your veterinarian and get a valid, updated prescription before you go to the pharmacy to make your purchase.

Does Tobramycin Need to Be Refrigerated?
Answer

You should only put this drug in the fridge if your vet has advised you to do so. It does not need to be put in the refrigerator. However, your vet may recommend it to make the eye drops a soothing experience for your dog. Infections can raise the temperature of local areas temporarily. In these cases, a cooled solution may help your pet. Otherwise, you should keep it in any dark place away from extremes of temperature and direct sunlight.

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%.

Tobramycin Ophthalmic Solution is an ophthalmic antibiotic used in veterinary medication in the treatment of bacterial infections affecting the eyes. The medication belongs to the aminoglycosides class of drugs. In certain other cases, the medication also finds use in controlling bacteria caused by respiratory infections, bite wounds, or injury-borne infections, and also those affecting the skin and ear of animals. Tobramycin, the active ingredient used in the medication possesses active antibiotic properties, which when administered restricts bacterial growth by delaying the protein synthesis. Though the drug is not approved for use in animals, most veterinarians have agreed to use the medication on dogs. However, tobramycin is a prescription drug and is available in various ophthalmic preparations as an injectable solution, suspension as well as ointment.ย 

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.

Aminoglycosides, the class of drugs tobramycin belongs to are always with their share of side effects. Drugs falling under this category are ototoxic to animals that can impair hearing or cause loss of balance in animals. The medication can cause the usual reddening and irritation in animals. Kidney dysfunction is another side effect seen in certain animals using the medication for a prolonged period.ย 

Animals with known reactions to the drug must not be treated with the medication. Do not use the medication in dehydrated animals as well as in those suffering from inner organ complications. Prolonged use of medication can cause damage to kidneys in certain animals. Tobramycin has a tendency to react with certain combinations of medications. Tobramycin Ophthalmic Solution should not be used in conjunction with any other topical antibiotic solution or ointment unless otherwise dictated by your veterinarian. Above all, it is important to strictly follow the prescribed dosage, as medication overdose can paralyze the animal.

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.

Use the medication only by prior consent from a veterinarian. The usual suggested dosage of the medication is 1 mg/lbs in a gap of 8 hours. The dosage administration can be intravenous, intramuscular, or subcutaneous.ย  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 the 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

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2. Add to Cart

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3. Tell Us About Your Pet and Vet

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4. Thatโ€™s It!

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