Informational only — Not medical advice. Always consult a licensed healthcare provider.

Community data Updated 2 months ago
Available as: 0.3% · 5 ml drop

Indications & Uses

Tobi is indicated for:

Dosage Reference

Reference Information Only

Dosages shown are general references from official sources. Always consult your doctor or pharmacist for personalized dosing.

Adults:

Ophthalmic ointment: For mild to moderate infections, apply a small amount into the conjunctival sac of the affected eye or eyes 2 to 3 times daily. For severe infections, apply a small amount 3 to 4 times daily until improvement is obtained, then reduce the dose gradually. Ophthalmic solution: For mild to moderate infections, instill 1 or 2 drops into the affected eye or eyes every 4 hours. For severe infections, instill 2 drops into the affected eye or eyes every hour until improvement is observed. Pediatric use: Safety and effectiveness in children under 1 year of age have not been established.

Side Effects

The most common side effects of T-Drop ophthalmic solution are localised irritation of the eye, redness of the conjunctiva, and hypersensitivity reactions such as itching and swelling of the eyelids.

Cautions & Contraindications

Warnings & Precautions

Some patients may develop mild sensitivity to aminoglycosides applied topically. If a sensitivity reaction occurs, stop using the medicine. Prolonged use may lead to overgrowth of non-susceptible organisms, including fungi.

Contraindications

Tobramycin should not be used in patients who are known to be hypersensitive to tobramycin or to any other ingredient in the preparation.

Drug Interactions

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Last updated: 20 Aug 2026