Zentob Eye Drop

Zentob Eye Drop is a tobramycin eye drop used to treat bacterial eye infections. Each drop contains tobramycin as labelled, an aminoglycoside antibiotic that works locally in the eye. Zentob Eye Drop is prescribed for infections such as bacterial conjunctivitis and other susceptible external eye infections. Because it is an antibiotic eye drop, it should be used only when a doctor thinks a bacterial infection is likely.

How it works: Tobramycin works by entering bacteria and blocking the proteins they need to grow and survive. As an eye drop, Zentob Eye Drop delivers the antibiotic directly to the infected eye tissue for local treatment.

This is the only Zentob product listed, so Zentob Eye Drop is used in the standard eye-drop form your doctor chooses for direct treatment of an infected eye. Eye drops like Zentob Eye Drop can start acting quickly at the surface of the eye, while still needing regular use to clear the infection. Your doctor may choose this form when targeted antibiotic treatment in the eye is preferred over oral medicine.

• Bacterial conjunctivitis
• External bacterial eye infection
• Eye infection caused by susceptible bacteria
• Doctor-directed treatment of eye redness with bacterial cause

• Wash your hands before using Zentob Eye Drop.
• Tilt your head back, pull down the lower eyelid, and place the prescribed number of drops into the eye.
• Avoid touching the dropper tip to your eye, fingers, or any surface.
• Close your eye gently for 1 to 2 minutes after instilling the drop.
• If you use other eye medicines, wait at least 5 to 10 minutes between products unless your doctor tells you otherwise.
• Remove contact lenses before use and do not put them back in until your doctor says it is okay.

Each drop contains tobramycin as labelled, and the exact dose is measured in drops, not by swallowing or chewing. Zentob Eye Drop is often used several times a day, but the frequency and total number of drops per day depend on the infection and your doctor’s instructions; do not increase the dose on your own. Because this is an antibiotic eye drop, the prescribed schedule matters for full treatment and to reduce the risk of resistance.

Do not change your dose or stop the medicine without speaking to your doctor.

Common side effects of Tobramycin may include:

• Temporary eye burning or stinging
• Mild eye irritation
• Blurred vision right after dosing
• Eye redness
• Itching or discomfort in the eye
• Tearing or watery eyes

• Use only in the eye; do not swallow Zentob Eye Drop.
• Do not wear contact lenses during an active eye infection unless your eye doctor specifically says otherwise.
• Tell your doctor if you have a history of allergy to tobramycin or other aminoglycoside antibiotics.
• If your symptoms worsen or do not improve after a few days, contact your doctor.
• Use caution if you have a corneal ulcer or a serious eye injury, since urgent evaluation may be needed.
• Do not share your eye drops with anyone else, even if they have similar symptoms.
• After instilling the drop, your vision may be briefly blurred, so wait before driving or operating machinery.

• Other eye medicines, including steroids or lubricating drops, may affect how the treatment is spaced and absorbed.
• Contact lenses can worsen irritation and interfere with treatment.
• Other aminoglycoside antibiotics may increase the risk of sensitivity or additive toxicity if used together.
• Do not combine with other eye drops unless your prescriber knows you are using both.
• If you are taking other medicines that can affect the kidneys or hearing, tell your doctor even though the exposure from eye drops is usually low.

Store Zentob Eye Drop tightly closed at room temperature and keep it out of reach of children; discard it after the opening period your pharmacist or doctor tells you, or when it expires.