Common use

Tobramycin and dexamethasone is a combination ophthalmic medication used to treat eye infections with associated inflammation. Tobramycin is an antibiotic that kills susceptible bacteria, while dexamethasone is a corticosteroid that reduces swelling, redness, and irritation. This dual-action formula is commonly prescribed for:

• Bacterial conjunctivitis
• Keratitis
• Post-operative eye care

It helps control infection while minimizing inflammation and discomfort.

Dosage and direction

Typically, 1 to 2 drops are applied into the affected eye(s) every 4 to 6 hours, depending on the severity of the condition. Follow these guidelines:

• In severe cases, dosing may start higher and gradually reduce.
• Shake the bottle well before use if it's a suspension.
• Do not stop treatment early even if symptoms improve.

Always follow your doctor's instructions.

Precautions

Before using this medication, inform your doctor if you have:

• Glaucoma
• Herpes simplex eye infections
• History of cataract surgery

Additional precautions:

• Prolonged use may increase risks of high eye pressure, infections, or delayed healing.
• Avoid contact lenses during treatment unless approved.
• Use with caution in steroid-responsive conditions.

Contraindications

Do not use this medication in the following cases:

• Viral or fungal eye infections
• Allergy to tobramycin, dexamethasone, or any ingredient in the formulation
• Ocular tuberculosis or untreated purulent infections
• Epithelial herpes simplex keratitis

Use in children under 2 years is not recommended without medical supervision.

Possible side effects

Common side effects:

• Temporary eye burning, stinging, or itching
• Blurred vision after application

Long-term risks include:

• Increased eye pressure or glaucoma
• Cataracts
• Secondary infections

Seek medical help for:

• Severe eye pain
• Vision changes
• Allergic reactions

Drug interactions

Potential interactions and guidelines:

• Risk of systemic interaction is low due to topical application.
• Avoid other eye medications without medical advice.
• Space out eye drops by 5-10 minutes if using multiple.
• Avoid combining with ocular NSAIDs unless prescribed.

Missed dose

If you miss a dose:

• Apply as soon as you remember.
• If close to the next dose, skip the missed one (do not double).

Overdose

Overdose symptoms and actions:

• Excessive eye irritation or tearing
• Ingestion is dangerous, especially for children, seek emergency help.
• Rinse eyes with water if too much is applied.

Storage

Storage instructions:

• Keep at room temperature (15°C to 25°C / 59°F to 77°F).
• Protect from light and moisture.
• Do not freeze or contaminate the dropper tip.
• Discard after expiration.

Disclaimer

This information provides general guidelines on medication use and does not cover all precautions or interactions. Always consult your healthcare provider for personalized advice. Never self-diagnose or self-treat based on this content. The reliability of this information is not guaranteed, and we are not liable for any misuse or consequences of self-treatment.