Tobradex is a combination antibiotic designed for topical ophthalmic use. The combined active ingredients of tobramycin and dexamethasone create an antibiotic compound taken in multiple doses to treat bacterial infections of the eye.

The compound uses the steroid, dexamethasone, to treat any inflammation and swelling caused by the bacteria. Meanwhile, the tobramycin factor presents a powerful antibiotic that treats the infection itself. When combined, the medication treats infections and inflammation simultaneously. This medicine can be taken through oral suspension or used as an eye ointment.

With the drug working to stop the growth of bacteria while also reducing swelling, recovery from an eye infection is improved. The medication can only be used to treat bacterial eye infections and should be dosed according to the doctor’s recommendations.

Precautions and Warnings with Tobradex

There are some minor warnings with the use of Tobradex. You should work directly with your healthcare provider so that they are aware of your medical history, any allergies, and current medical conditions. They can assess your overall health, your needs, and existing medication or treatments to determine if Tobradex is a good fit for you.

Be sure to let your doctor know if you are allergic to either tobramycin or dexamethasone. If you know of allergies to aminoglycoside antibiotics, your doctor should be made aware of this also. All allergies need to be disclosed.

When applying Tobradex, you may experience temporarily blurry vision. Avoid driving or any other unsafe activities until your vision has cleared. If you are pregnant or breastfeeding, be sure to consult with your doctor and take only as needed and prescribed.

If you typically wear contact lenses, you may not be able to wear them while taking this medication. Be sure to check with your doctor. If the doctor approves continued use of contact lenses, remove them from your eye before applying medication.

Tobradex Side Effects

In general, side effects are rare and unusual while taking Tobradex. Most people experience no side effects. However, there are a few side effects to be aware of.

If you experience these side effects, they will likely be temporary. However, if they are extensive or do not go away, you need to reach out to your doctor right away. Using Tobradex for an extended period could cause cataract formation, glaucoma, or eye nerve damage.

If you experience dizziness, drooping eyelids, eye pain, vision changes, or additional eye infection symptoms, contact your doctor right away. If anything seems unusual or abnormal, check with your doctor, even if the side effect is not listed here.

Possible side effects includes:

  • Blurry vision
  • Eyelid swelling
  • Sensitivity to light
  • Stinging
  • Irritation
  • Itching
  • Redness

Drug Interactions with Tobradex

Before taking Tobradex, discuss any medications you are currently taking with your doctor. It may be necessary to stop using a certain medication while you use Tobradex. This is generally decided on a case-by-case basis. The doctor may not change anything about your normal medication routine.

Tobradex could potentially change how other medications work. The most common interaction is an increase in side effects from another medication. Make your doctor aware of all medication, vitamins, over-the-counter drugs, and herbal products that you are using.

Do not use any other eye drops while using Tobradex unless advised by your doctor. If you are taking an oral steroid, be sure to make your doctor aware.

Cost of Tobradex in America

The cost of Tobradex will vary depending on the dosage needed. Whether or not you use an eye drop or an ointment may also impact the cost. On average, a bottle can cost anywhere from $100-$350 based on these factors.

Take a look at this breakout of approximate dosage and pricing structure information. Remember this is just an estimated cost.

Type of MedicineDosage DetailsEstimated Cost
Eye Dropper2.5 ml (.3%/.1%)$125.00
Eye Dropper5 ml (.3%/.1%)$180.00
Eye Dropper10 ml (.3%/.1%)$340.00
Ointment3.5 g (.3%/.1%)$275.00

Why Is Tobradex So Expensive?

Tobradex is an expensive medicine. This is related to the use of two active ingredients combined together to create a compound. The specialized formulation to treat your eyes also contributes to the high cost of the medicine. This particular drug is also a name-brand original. It may be possible to find a generic alternative that is cheaper to use. There are discount drug programs that may be able to help you save some money on Tobradex.

Strengths and Dosages of Tobradex

The strength and dosage you need for Tobradex should be selected by a trained doctor. Dosage will vary depending on the extent of your eye infection and your health. Never take more than the recommended dose when you get Tobradex. The doctor will determine how much is needed and the frequency of use.

Typically, you will take one or two drops of the eyedrop solution every 4-6 hours. If the eye infection is more severe, you may take doses every 2 hours for the first 24-48 hours. The ointment will be used in a similar fashion, applied at routine intervals per the doctor’s instruction.

How to Use Tobradex Eye Ointment

Follow these steps for the use of eye ointment:

  1. Warm the tube slightly by holding it in your hand for 1-2 minutes. This will make it easier to apply the ointment.
  2. Tilt your head back just slightly.
  3. Pull down the lower eyelid of the affected eye.
  4. Apply a small amount of ointment to the lower eyelid area.
  5. Close the eye and move it around for 1-2 minutes.

Tobradex Alternatives

There are some alternative options to Tobradex, specifically generic brands of the medication. Work with your doctor to determine the best alternative. Here are some available options:

FAQ of Tobradex

What is Tobradex?

Tobradex is a combination medicine that includes both tobramycin and dexamethasone. It is a compound antibiotic that also contains a steroid within the mixture.

What is Tobradex Used For?

Tobradex is used to treat bacterial eye infections only. It can be acquired in an ointment or an ophthalmic eye drop treatment. The combination of steroids and antibiotics work to reduce inflammation while also treating the infection.

How Many Times a Day Should You Use Tobradex Eye Drops?

In most cases, Tobradex is applied to the eye every four to six hours. Follow the instructions of your doctor for proper use.

What is Similar to Tobradex Ointment?

There are alternative brands to Tobradex that are also made with the dexamethasone and tobramycin compounds. These include Methotrexate, Jylamvo, Otrexup, Rasuvo, Trexall, and Xatmep.

How Long Should You Use Tobradex Eye Drops?

Dosing for Tobradex runs for 14 days at a time. However, you should not use the treatment for more than 24 days at a time.

How Long Does Tobradex Take to Work?

While you will not clear your eye infection with just one use, you should start to notice improvements right away upon application. It may take a few days before you have visible changes, but you should notice relief quickly upon application.

How Long is Tobradex Good for Once Opened?

Tobradex is a short-term medication that could become contaminated over time. Once you open the bottle or ointment, the solution is only good for about four weeks.

IMPORTANT NOTE: The information provided here is for educational purposes only and is not intended to serve as medical advice, diagnosis, or treatment recommendations. It should not be taken as an endorsement of any specific medication or treatment. Individual health conditions and responses to treatment can vary greatly; therefore, this information should not be seen as a guarantee of safety, suitability, or effectiveness for any particular individual. Always consult with a healthcare professional for personalized medical advice and before making any decisions regarding your health or treatment plans.

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