Tobrex

Eye drops · Novartis (Alcon)
PRESCRIPTION MEDICINE

Tobrex is a eye drops made by Novartis (Alcon) that contains Tobramycin 0.3%. Tobramycin is a antibiotic (eye drops): treats bacterial eye infections.

Ingredient (salt)Amount
Tobramycin0.3%

What it is used for

Treats bacterial eye infections.

How it works

An aminoglycoside antibiotic used mainly as eye drops (often with dexamethasone) for eye infections, and by injection or inhalation in hospital.

How to take it

Eye drops: 1 to 2 drops every 4 hours or as directed for 5 to 7 days.

Common side effects

  • Eye stinging
  • Itching
  • Red eyelids

Get medical help straight away if

  • Eye pain or worsening redness
  • Vision changes

Be careful

Do not touch the dropper to the eye.

Other medicines and interactions

Wait 5 minutes between different eye drops.

Pregnancy and breastfeeding

Eye drops are generally acceptable in pregnancy and breastfeeding.

Common questions

What is Tobrex?

Tobrex is a eye drops by Novartis (Alcon) containing Tobramycin 0.3%.

What is Tobrex used for?

Treats bacterial eye infections.

How should I take Tobrex?

Eye drops: 1 to 2 drops every 4 hours or as directed for 5 to 7 days. Always follow the dose your doctor or the pack gives.

What are the side effects of Tobrex?

Common side effects include: Eye stinging, itching, red eyelids. Get medical help straight away for: Eye pain or worsening redness, vision changes.

Does Tobrex need a prescription?

Yes. In India it is a prescription (Schedule H) medicine, so a pharmacist should sell it only with a doctor's prescription.

Can I take Tobrex in pregnancy or while breastfeeding?

Eye drops are generally acceptable in pregnancy and breastfeeding.

What are the substitutes for Tobrex?

We have no other brand with exactly the same composition and strength in our list yet. Ask your pharmacist for an equivalent.

Sources and further reading

NHS (UK National Health Service) and MedlinePlus (US National Library of Medicine) are free, reviewed medicine guides. Brand names and doses there may differ from India.

Composition checked against pack details from large Indian online pharmacies. Last reviewed 31 October 2026. Written by Satya Babu.

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For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.