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Tobrex Opht

Generic Name: TOBRAMYCIN - OPHTHALMIC DROPS
Pronounced: (toe-bruh-MY-sin)

Tobrex Opht Side Effects

Tearing, eye redness, eye discomfort, or eyelid itching/swelling may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Use of this medication for prolonged or repeated periods may result in a new fungal eye infection. Do not use it for longer than prescribed. Contact your doctor if you notice new or worsening symptoms.

A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include:

  • rash
  • itching/swelling (especially of the face/tongue/throat)
  • severe dizziness
  • trouble breathing


This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Tobrex Opht Precautions

Before using tobramycin, tell your doctor or pharmacist if you are allergic to it; or to other aminoglycosides (e.g., gentamicin), preservatives (e.g., benzalkonium chloride); or if you have any other allergies. This product may contain other inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of:

  • other eye problems


This drug may cause temporary unstable vision after you apply it. Do not drive, use machinery, or do any activity that requires clear vision until you are sure you can perform such activities safely.

This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor.

It is not known if this medication passes into breast milk. Consult your doctor before breast-feeding.

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