Overview
Uses and benefits
Side effects
How to use
How drug works
Safety advice
Missed dose
All substitutes
Quick tips
Fact box
Patient concerns
User feedback
FAQs

Author Details

Written By

Dr. Mayank

Pharm.D

Reviewed By

Dr. Rajeev Sharma

MBA, MBBS

Last updated

19 Sep 2025 | 03:31 PM (IST)

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Home>Gentajin D>gentajin d eye drop

Gentajin D Eye Drop

Prescription Required

Marketer

Lark Laboratories Ltd

SALT COMPOSITION

Gentamicin (0.3%) + Dexamethasone (0.1%)

Storage

Store below 30°C

View available alternative with same salt composition

Product introduction

Gentajin D 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.

Gentajin D Eye Drop is to be used only in the affected eye or ear. Read the label carefully for instruction before you use the medicine. Use it in the exact dose and duration as advised by the doctor or as instructed in 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.

Use of this medicine may cause burning, irritation, itching, and redness at the site of application. These are usually temporary and resolve with time. However, if they persist or get worse, inform your doctor. In case of accidental contact with your ears, nose, or mouth, immediately rinse it with water.

Inform your doctor if you have a known allergy to any of the ingredients in this medicine or if you are taking any other medication. It is advised not to drive or operate heavy machinery immediately after using this medicine as it may cause temporary blurring of vision and may affect your ability to drive.

Uses of Gentajin D Eye Drop

Treatment of Bacterial eye infections

Benefits of Gentajin D Eye Drop

In Treatment of Bacterial eye infections

Gentajin D 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 Gentajin D 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 Gentajin D 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 Gentajin D

Blurred vision
Application site reactions (burning, irritation, itching and redness)

How to use Gentajin D 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 Gentajin D Eye Drop works

Gentajin D Eye Drop is a combination of two medicines: Gentamicin and Dexamethasone. 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. Dexamethasone is a steroid which blocks the production of certain chemical messengers (prostaglandins) that make the eye red, swollen and itchy.

Safety advice

Alcohol

No interaction found/established

Pregnancy

CONSULT YOUR DOCTOR

Information regarding the use of Gentajin D Eye Drop during pregnancy is not available. Please consult your doctor.

Breast feeding

CONSULT YOUR DOCTOR

Information regarding the use of Gentajin D Eye Drop during breastfeeding is not available. Please consult your doctor.

Driving

UNSAFE

Gentajin D 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

No interaction found/established

Liver

No interaction found/established

What if you forget to take Gentajin D Eye Drop?

If you miss a dose of Gentajin D Eye Drop, skip it and continue with your normal schedule. Do not double the dose.

All substitutes

For informational purposes only. Consult a doctor before taking any medicines.

No substitutes found for this medicine

Quick tips

Wash your hands before and after applying Gentajin D Eye Drop to avoid introducing or spreading infection.
Avoid touching the tip of the Gentajin D Eye Drop to your eye or any surface to maintain medicine hygiene.
Wait at least 5 to 10 minutes before using other eye medications to prevent mixing or interaction between the medicines.
Do not wear contact lenses during treatment unless advised by your doctor.
Use the medicine for the full prescribed duration, even if symptoms improve early, to prevent recurrence.

Fact Box

Habit Forming

Therapeutic Class

OPHTHAL OTOLOGICALS

Patient concerns

Scar on face due to bacterial infections

Dr. Atul Jain

Dermatology

Pic is not clear, plz visit for proper opinion

I have a history of recurring yeast and bacterial vaginosis infections.

Dr. Sonu Balhara Ahlawat

Obstetrics and Gynaecology

Tab metrogyl 500 mg twice a day x 5 days and tab fluconazole 150 mg three doses alternate days

User feedback

What are you using Gentajin D Eye Drop for?

Allergic cond*

100%

*Allergic conditions

How much was the improvement?

Poor

67%

Average

33%

What were the side-effects while using Gentajin D Eye Drop?

No Side Effec*

100%

*No Side Effect

How do you take Gentajin D Eye Drop?

With or witho*

100%

*With or without food

Please rate Gentajin D Eye Drop on price

Average

100%

FAQs

What is Gentajin D Eye Drop used for?

Gentajin D Eye Drop is used to treat bacterial eye infections such as conjunctivitis. Gentajin D Eye Drop contains a steroid that reduces inflammation, redness, and swelling, and an antibiotic that kills the bacteria causing the infection.

What happens if I keep using Gentajin D Eye Drop?

Using Gentajin D Eye Drop for longer than recommended by your doctor may suppress adrenal gland function and increase the risk of cataracts (clouding of the eye lens). It may also raise the risk of developing a secondary infection (initial eye condition leading to a new eye infection, often worsening the original problem).

How many days do I have to use Gentajin D Eye Drop?

The treatment with Gentajin D Eye Drop should not exceed 2 weeks, and at most 3 weeks in severe conditions. The exact duration of Gentajin D Eye Drop therapy with combination eye products should be determined by the physician, taking into account factors such as effectiveness, severity of symptoms, and potential side effects.

Are there any warning signs or symptoms I should worry about during Gentajin D Eye Drop treatment?

Gentajin D Eye Drop may cause temporary stinging or burning of the eye for a minute or two after application. If this persists or becomes bothersome, inform your doctor. However, contact your doctor immediately if you experience a skin rash, burning, irritation, swelling, itching, redness, or pain in or around the eyes or vision changes.

What should I avoid while using Gentajin D Eye Drop?

You should avoid touching the Gentajin D Eye Drop tip to your eye or any surface to prevent contamination. Do not use Gentajin D Eye Drop if the medicine changes color or becomes cloudy. Also, after using Gentajin D Eye Drop, it may cause temporary blurring of vision, and you should avoid driving until your vision clears.

Can I still use Gentajin D Eye Drop if the bottle is open but not yet expired?

You can keep the unopened (sealed) bottle of Gentajin D 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 Gentajin D Eye Drop at room temperature, keeping it away from light.

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