Tobramycin belongs to the class of medications called antibiotics. It is used to treat certain eye infections that are caused by bacteria. It works by helping to kill the bacteria that are causing the infection.
Your doctor may have suggested this medication for conditions other than those listed in these drug information articles. If you have not discussed this with your doctor or are not sure why you are being given this medication, speak to your doctor. Do not stop using this medication without consulting your doctor.
Do not give this medication to anyone else, even if they have the same symptoms as you do. It can be harmful for people to use this medication if their doctor has not prescribed it.
Each mL of sterile solution contains tobramycin 0.3% (3 mg). Nonmedicinal ingredients: benzalkonium chloride 0.01% as preservative, boric acid, purified water, sodium chloride, sodium hydroxide and/or sulfuric acid (to adjust pH), sodium sulfate, and tyloxapol.
Each g of sterile, ophthalmic ointment contains tobramycin 3 mg. Nonmedicinal ingredients: chlorobutanol 0.5% as preservative, mineral oil, and petrolatum base.
Drops: The usual dose for adults and children older than 1 year is 1 or 2 drops into the affected eye(s) every 4 hours. For severe infections, the dose is 2 drops into the affected eye(s) every hour until improvement is noticed, followed by a reduction in dose as prescribed by the doctor. Prevent contamination of the dropper by avoiding contact with the eye, skin, or other surfaces.
If more than one type of eye drop is being applied, use the medications at least 5 to 10 minutes apart.
If you wear contact lenses, take them out before using the medication. You can insert your lenses 10 to 15 minutes after instilling the eye drops.
Ointment: The usual dose for adults and children older than 1 year is a 1.25 cm ribbon applied into the conjunctival sac (the inner surface of the eyelid) of the affected eye(s) 2 to 3 times daily. For severe infections, the dose is a 1.25 cm ribbon applied into the conjunctival sac every 3 to 4 hours until improvement is noticed, followed by a reduction in dose as prescribed by the doctor. Prevent contamination of the tube tip by avoiding contact with the eye, skin, or other surfaces.
Many things can affect the dose of a medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones listed here, do not change the way that you are using the medication without consulting your doctor.
It is important to use this medication exactly as prescribed by your doctor. If you miss a dose, apply it as soon as possible and continue with your regular schedule. If it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not apply a double dose to make up for a missed one. If you are not sure what to do after missing a dose, contact your doctor or pharmacist for advice.
Store this medication at room temperature, protect it from light, and keep it out of the reach of children.
This medication is available under multiple brand names and in several different forms. Any specific brand name of this medication may not be available in all of the forms listed here. The forms available for the specific brand you have searched are listed under "What form(s) does this medication come in?"
Do not use tobramycin eye preparations if you:
Many medications can cause side effects. A side effect is an unwanted response to a medication when it is taken in normal doses. Side effects can be mild or severe, temporary or permanent. The side effects listed below are not experienced by everyone who takes this medication. If you are concerned about side effects, discuss the risks and benefits of this medication with your doctor.
Although most of the side effects listed below don’t happen very often, they could lead to serious problems if you do not seek medical attention.
Check with your doctor as soon as possible if any of the following side effects occur:
Stop taking the medication and seek immediate medical attention if any of the following occur:
Before you begin using a medication, be sure to inform your doctor of any medical conditions or allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health. These factors may affect how you should use this medication.
Allergy: Sensitivity to skin-applied aminoglycosides such as tobramycin may occur for some people. If a sensitivity or allergic reaction occurs, stop using the medication and call your doctor.
Blurred vision: Tobramycin eye preparations can cause temporarily blurred vision after applying the ointment or drops. This may affect your ability to drive or operate machinery. Avoid driving, operating machinery, or performing other potentially hazardous tasks until your vision has cleared or you have determined that this medication does not affect you in this way.
Overgrowth of organisms: Prolonged use of this medication may result in overgrowth of organisms, including fungi that aren’t killed by the antibiotic. If your condition worsens or does not improve in the expected amount of time, call your doctor.
Pregnancy: Tobramycin eye preparations should not be used during pregnancy unless the benefits outweigh the risks.
Breast-feeding: It is not known if tobramycin eye preparations pass into breast milk. If you are a breast-feeding mother and are using this medication, it may affect your baby. Talk to your doctor about whether you should continue breast-feeding.
Children: The safety and effectiveness of using this medication have not been established for children under 1 year old.
There may be an interaction between tobramycin eye preparations and any of the following:
Medications other than those listed above may interact with this medication. Tell your doctor or prescriber about all prescription, over-the-counter (non-prescription), and herbal medications you are taking. Also tell them about any supplements you take. Since caffeine, alcohol, the nicotine from cigarettes, or street drugs can affect the action of many medications, you should let your prescriber know if you use them.
All material copyright MediResource Inc. 1996 – 2020. Terms and conditions of use. The contents herein are for informational purposes only. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Source: www.medbroadcast.com/drug/getdrug/Tobrex