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Gentasone Eye Drop is a medicine used to treat bacterial eye infections. It kills and prevents the growth of infection-causing bacteria in the eyes. This way it relieves the symptoms and speeds up the healing process.

Written By Dr. Subita Alagh, BDS,
Reviewed By Dr. Mekhala Chandra, MD, MBBS,
Last updated on 21 Sep 2025 | 05:42 PM (IST)
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Gentasone Eye Drop image
Gentasone Eye Drop image

Product introduction

Gentasone Eye Drop is to be used only in the affected eye. Read the label carefully for instructions before you use the medicine. Do not use too much or too little. Use it in the exact dose and duration as advised by the doctor or as instructed on the label. Wash your hands before using this medicine. Complete your dose even if you feel better. Stopping the medicine too early may bring back the infection.


Common side effects include burning and stinging sensations, eye redness, temporary blurred vision, or increased intraocular pressure. These are usually temporary and resolve with time. However, if they persist or get worse, inform your doctor.


Inform your doctor if you have a known allergy to any of the ingredients in this medicine or if you are using any medicine for the same condition. Avoid driving or operating heavy machinery immediately after using Gentasone Eye Drop, as it may cause temporary blurring of vision and may affect your ability to drive or operate machinery.

Uses of Gentasone Eye Drop

  • Treatment of Bacterial eye infections

Benefits of Gentasone Eye Drop

Treatment of Bacterial eye infections
Gentasone Eye Drop is used to treat bacterial infection of the eyes such as conjunctivitis or pink eye. It stops the growth of bacteria causing infection and helps relieve pain, swelling, redness, itching or irritation in the eyes. Use it 2-3 times a day for atleast a week or as prescribed by the doctor. Your symptoms might improve after using Gentasone Eye Drop. However, make sure to complete the full course of treatment. This will ensure that the infection is completely cured and prevent it from returning.

Side effects of Gentasone Eye Drop

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of Gentasone
  • Blurred vision
  • Burning eyes
  • Stinging in the eyes
  • Eye redness
  • Increased intraocular pressure

How to use Gentasone Eye Drop

This medicine is for external use only. Use it in the dose and duration as advised by your doctor. Check the label for directions before use. Hold the dropper close to the eye without touching it. Gently squeeze the dropper and place the medicine inside the lower eyelid. Wipe off the extra liquid.

How Gentasone Eye Drop works

Gentasone Eye Drop is a combination of two medicines: Betamethasone and Gentamicin. Betamethasone is a steroid which blocks the production of certain chemical messengers (prostaglandins) that make the eye red, swollen, and itchy. Gentamicin is an antibiotic. It stops bacterial growth in the eye by preventing the synthesis of essential proteins required by bacteria to carry out vital functions.

Quick tips

  • Use exactly as prescribed by your doctor. Do not self-medicate or use for longer than recommended.
  • Wash your hands thoroughly before and after using Gentasone Eye Drop.
  • Do not wear contact lenses during treatment unless your doctor advises it's safe.
  • Inform your doctor if you experience eye irritation, blurred vision, or signs of infection.
  • Do not stop using the drops suddenly without consulting your doctor, especially if used for longer durations.

Safety advice

Alcohol

Alcohol

No interaction found/established
Pregnancy

Pregnancy

CONSULT YOUR DOCTOR
Information regarding the use of Gentasone Eye Drop during pregnancy is not available. Please consult your doctor.
Breast feeding

Breast feeding

CONSULT YOUR DOCTOR
Information regarding the use of Gentasone Eye Drop during breastfeeding is not available. Please consult your doctor.
Driving

Driving

UNSAFE
Gentasone Eye Drop may cause blurring of your vision for a short time just after its use. Do not drive until your vision is clear.
Kidney

Kidney

No interaction found/established
Liver

Liver

No interaction found/established

Frequently asked questions

Gentasone Eye Drop is used to treat bacterial eye infections involving inflammation. Gentasone Eye Drop contains a steroid that reduces inflammation, redness, and swelling, and an antibiotic that kills the bacteria causing the infection.
The serious side effect, yet not so common, is increased pressure in the eye (intraocular pressure). However, this risk increases if you have a family history of glaucoma, myopia (nearsightedness), or diabetes.
You should remove contact lenses before using Gentasone Eye Drop. Do not use Gentasone Eye Drop or any other eye medicine while wearing contact lenses if it contains a preservative called benzalkonium chloride (BAK), as BAK can damage the lenses or alter their properties. Always wait at least 15 minutes before reinserting your lenses after using Gentasone Eye Drop.
The exact time Gentasone Eye Drop takes to show results is not known. However, you may start to notice improvement in your eye symptoms, such as redness or irritation, within 2 to 3 days of use. The full effects of Gentasone Eye Drop may take a few days to weeks to become apparent.
You should avoid touching the Gentasone Eye Drop tip to your eye or any surface to prevent contamination. Do not use Gentasone Eye Drop if the medicine changes color or becomes cloudy. Also, after using Gentasone Eye Drop, it may cause temporary blurring of vision, and you should avoid driving until your vision clears.
You can use unopened (seal-packed) Gentasone Eye Drop until its expiry date. However, once opened, use it within 28 days (4 weeks), even if it has not expired. Discard any remaining medicine after this period. Also, make sure to store Gentasone Eye Drop at room temperature, keeping it away from light.
Gentasone Eye Drop contains a steroid, and prolonged use (for more than 10 days) of medicine containing a steroid increases the risk of cataract (clouding of the eye lens). However, if you experience no improvement in your condition after a week of regular prescribed use, consult your doctor for reassessment. Avoid continuing to use Gentasone Eye Drop or any steroid-containing eye medicine after this time period.

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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Calibre Pharmaceutical
Address: 165, Kukrail Picnic Spot Road, Faridi Nagar, Luckniw 226015.

Vendor Details

Country of origin: India
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