Gentamicin - Ophthalmic

Patient Medicine Information
Why do I need this medicine?
Gentamicin is an antibiotic. It is used to treat bacterial infections of the eye.
How do I use this medicine?
Apply Gentamicin in the affected eye(s) exactly as directed by your doctor or according to the instructions on the label. Do not apply more or less than instructed by your doctor.

This medicine is available as an eye drop or as an eye ointment.

To use the eye drop solution, follow these steps:
  1. Wash your hands thoroughly with soap and water before using the eye drops. 
  2. Tilt your head slightly backwards. With the index finger, pull the lower eyelid away from the eye to form a pouch. Look upward and instill the required number of drops inside the lower eyelid.
  3. Close your eyes and do not blink for the next 30 seconds.
  4. Wipe any excess liquid from your face with a clean tissue.
  5. Replace and tighten the cap of the bottle.
To use the eye ointment, follow these steps:
  1. Wash your hands with soap and water before applying the eye ointment.
  2. With your index finger, gently pull your lower eyelid away from eye. Place the ointment tube directly over your eyes, and squeeze the tube gently to apply a small amount (1.5 cm or ½ inch ribbon) of ointment along the inside of the lower eyelid.
  3. Close your eyes for 1 to 2 minutes.
  4. Wipe any excess ointment from the eyelids and lashes with a tissue. With another clean tissue, wipe the tip of the tube.
  5. Replace and tighten the cap of the tube.
  6. Wash your hands to remove any medication.
Do not allow the tip of the dropper/tube of this medicine to touch your eyes, eyelids or any other surface. Recap the eye drop/tube immediately after use. If the eye drop/tube becomes contaminated, it could cause an infection in your eyes.

Do not share your eye drops/ointment with anyone else.

If you have been given any other eye drops/ointment or other medicines to be used together with Gentamicin, wait for at least 5 minutes before using the other medicine.

Use Gentamicin at regular intervals. The dose of this medicine will be decided by your doctor. Your doctor will advise you on the frequency of application depending on your infection. You must complete the entire course of this medicine. If you don't, the infection will not be properly controlled.
What should I do if I have forgotten to use this medicine?
Apply the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and return to your normal dosing schedule.

Do NOT double a dose under any circumstances.

If you often forget to apply your medicine, let your doctor and pharmacist know.
When should I not use this medicine?
Alert your doctor if you ever had an allergic reaction (rashes, breathlessness, swollen eyes) to Gentamicin.

Alert your doctor if you have myasthenia gravis (a disease causing muscle weakness) as Gentamicin may not be suitable for you.
What should I take note of while using this medicine?
Let your doctor know if you are pregnant or breastfeeding.

If you are wearing soft contact lenses, remove it before using Gentamicin. Wait for at least 15 minutes before reinserting your lenses.

Prolonged use of this medicine is not advisable. Use only as instructed by your doctor.
What side effects could I experience?
Gentamicin eye drops/ointment may cause your vision to be temporarily blurred. If affected, do not drive or operate machinery.

Other side effects include any of the following: eye itching, burning or stinging sensation of the eyes.

If you develop eye pain, irritation or swelling, stop using Gentamicin and inform your doctor quickly.

Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Can I use this with other medicines?
Always notify your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements and medicines that you buy without a prescription.
How should I store this medicine?
Store below 25°C, away from the reach of children.

Throw away any remaining eye drops/ointment 4 weeks after opening. Mark the date of opening on the eye drop bottle/ointment tube so that you know when the bottle/tube was opened.

Medicines must not be used past the expiry date.
This information is independently developed by MIMS based on Gentamicin - Ophthalmic and is provided for your reference only. It is not a replacement for and should only be used in conjunction with full consultation with a licensed healthcare professional, the information provided by your pharmacist and/or the manufacturer of the medication. It may not contain all the available information you require and cannot substitute professional medical care, nor does it take into account all individual circumstances. Although great effort has been made to ensure content accuracy, we shall not be held responsible or liable for any claims or damages arising from the use or misuse of the information contained herein, its contents or omissions, or otherwise. Copyright © 2021 MIMS. All rights reserved. Powered by
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