Tobrex

Generic Name: Tobramycin

  • What is Tobrex?

    Tobrex is an antibiotic used to treat bacterial eye infections.

  • What is the most important information I should know about Tobrex?

    In order to clear up your infection completely, keep using Tobrex for the full time of treatment, even if your symptoms have disappeared.

    Do not touch the dropper or tube opening to any other surface including your hands or eyes, since doing so can spread the infection to others.

  • Who should not take Tobrex?

    Do not use Tobrex if you are sensitive to any component of the drug.

    Do not use Tobrex if you have any viral or fungal diseases of the eye. It is only used to treat bacterial infections of the eye.

  • What should I tell my doctor before I take the first dose of Tobrex?

    Mention all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Tobrex. Also, talk to your doctor about your complete medical history, especially if you have a viral or fungal eye infection.

  • What is the usual dosage?

    The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

    Adults using solution: If the infection is mild or moderate, place 1-2 drops into the affected eye(s) every 4 hours. In severe infections, place 2 drops into the eye(s) every hour until there is improvement. Do not stop the medication without consulting with your doctor first; your doctor might tell you to use less medication before stopping completely.

    Adults using ointment: If the infection is mild to moderate, apply a 1/2-inch ribbon into the affected eye(s) 2-3 times per day. In severe infections, apply a 1/2-inch ribbon into the affected eye(s) every 3-4 hours until there is improvement.

  • How should I take Tobrex?

    To apply Tobrex eye drops: 1. Wash your hands thoroughly with soap and water. 2. Gently pull down your lower eyelid to form a pocket between your eye and eyelid. 3. Brace the bottle on the bridge of your nose or forehead. 4. Do not let the applicator tip touch your eye or any other surface. 5. Tilt your head back and squeeze the medication into the eye. 6. Keep your eyes closed for 1-2 minutes. Do not rinse the dropper. 7. If you are using another eye drop, wait 5-10 minutes before applying it.

    To apply the ointment form of this medication: 1. Tilt your head back. 2. Place a finger on your cheek just under your eye and gently pull down until a "V" pocket is formed between your eyeball and your lower lid. 3. Place about a 1/2-inch ribbon of Tobrex in the "V" pocket. 4. Do not let the tip of the tube touch the eye. 5. Look downward before closing your eye.

  • What should I avoid while taking Tobrex?

    Use Tobrex exactly as prescribed by your doctor. Do not touch the dropper or tube opening to any surface, including your eyes or hands. If the dropper becomes contaminated, it could cause an infection in the eye.

    Do not wear contact lenses if you have an infection in your eye or when you are applying Tobrex eye drops or ointment.

    Tobrex may cause blurred vision; use caution when driving, operating machinery, or performing other hazardous activities.

  • What are possible food and drug interactions associated with Tobrex?

    If you are taking any other prescription antibiotics for your eyes, check with your doctor before using Tobrex.

  • What are the possible side effects of Tobrex?

    Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

    Side effects may include: abnormal redness of the eye, allergic reactions, lid itching, lid swelling

  • Can I receive Tobrex if I am pregnant or breastfeeding?

    The effects of Tobrex during pregnancy and breastfeeding are unknown. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What should I do if I miss a dose of Tobrex?

    Apply it as soon as you remember. If it is almost time for your next dose, skip the one you missed and go back to your regular schedule.

  • How should I store Tobrex?

    Store at room temperature or in the refrigerator. Do not freeze.

Meet the Pharmacists

I'm Shereen A. Gharbia, PharmD. Welcome to PDR Health!

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