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Natabact 5% Eye Drop

Written By Dr. Swati Mishra, BDS
Reviewed By Dr. Sachin Gupta, MD Pharmacology, MBBS
Last updated on 14 Apr 2026 | 04:20 PM (IST)
Natabact 5% Eye Drop is an antifungal medication. It is used in the treatment of fungal infections of the eyes. It kills the fungi that cause eye infections and thus treats the infection.
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Natabact 5% Eye Drop is currently sold out
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Nataforce Eye Drop
₹114₹124.81
Available alternative from Mankind
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Natabact 5% Eye Drop
Natabact 5% Eye Drop
bottle of 5 ml Eye Drop
₹103
₹112.41
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Same composition
Nataforce Eye Drop
Nataforce Eye Drop
packet of 5 ml Eye Drop
by Mankind Pharma Ltd
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₹114
₹19.38 per ml

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General Information

The content is shown in English
Natabact 5% Eye Drop image
Natabact 5% Eye Drop image

Product introduction

Natabact 5% Eye Drop is for external use only. Take it in the dose and duration as advised by your doctor. Hold the dropper close to the eye without touching it. Gently squeeze the dropper and place the medicine inside the lower eyelid. Wipe off extra liquid.


Common side effects of Natabact 5% Eye Drop include eye irritation, Change in vision, eye discomfort, and eye edema, these are usually subsides on their own in some time. Please consult your doctor if it does not get better or persists for a longer duration.


Do not use Natabact 5% Eye Drop if you have a viral or bacterial eye infection without your doctor’s advice. Avoid using it with contact lenses, and do not touch the dropper tip to your eye. Tell your doctor if irritation or vision problems continue.

Uses of Natabact Eye Drop

Benefits of Natabact Eye Drop

Treatment of Fungal infections of eye
Natabact 5% Eye Drop is an antifungal medicine. It works by killing and stopping the growth of fungus that is causing the infection. It helps relieve symptoms such as pain, redness, itching or soreness caused due to eye infections.
The dose and duration of treatment will depend on what you are being treated for. Make sure you complete the full course of treatment. This will ensure that the infection is completely cured and prevent it from returning.

Side effects of Natabact 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 Natabact
  • Eye irritation
  • Eye inflammation
  • Ocular hyperemia
  • Foreign body sensation in eyes
  • Lacrimation (flow of tears)

How to use Natabact 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 Natabact Eye Drop works

Natabact 5% Eye Drop is an antifungal medication. It works by killing the fungi that cause eye infections by destroying their cell membrane.

Quick tips

  • Natabact 5% Eye Drop should be used as per dose and duration suggested by the doctor.
  • Apply pressure on the corner of the eye (close to the nose) for about 1 minute immediately after instilling the drop.
  • Wait for at least 5-10 minutes before delivering the next medication in the same eye to avoid dilution.
  • Remove contact lenses before using Natabact 5% Eye Drop and allow at least 15 minutes before re-inserting them.
  • It may cause short term blurring of vision when first used. Use caution before driving or using machines.
  • Consult your doctor if the symptoms get worse or do not get better within 2 weeks of treatment.

Safety advice

Alcohol

Alcohol

No interaction found/established
Pregnancy

Pregnancy

CONSULT YOUR DOCTOR
The safety of Natabact 5% Eye Drop during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.
Breast feeding

Breast feeding

CONSULT YOUR DOCTOR
Information regarding the use of Natabact 5% Eye Drop during breastfeeding is not available. Please consult your doctor.
Driving

Driving

UNSAFE
Natabact 5% Eye Drop may cause temporary visual disturbances. Do not drive until your vision is clear.
Kidney

Kidney

No interaction found/established
Liver

Liver

No interaction found/established

Frequently asked questions

Natabact 5% Eye Drop has no known effects on causing cancers
Natabact 5% Eye Drop is an antibiotic derived from Streptomyces natalensis
Natabact 5% Eye Drop belongs to a class of medicines called tetraene polyene antibiotic. Natabact 5% Eye Drop binds to the fungal cell wall, alters the permeability of the cell wall and causes depletion of the cellular contents; thereby reducing growth and proliferation of fungi
The mechanism of action of Natabact 5% Eye Drop is through binding of the molecule to the sterol moiety of the fungal cell membrane. Since bacterial cell wall doesn't contain sterol moiety, it doesn't affect bacteria.

Fact Box

Chemical Class

Aminoglycosides

Habit Forming

No

Therapeutic Class

OPHTHAL OTOLOGICALS

Action Class

Polyene Antifungals
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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: Ikon Remedies Pvt Ltd
Address: Near Axis Bank, Amrawati Road, Wadi,Nagpur-440 023 (Maharashtra) India / 9, 17th Floor, Lodha Supremus, Opp. MTNL, VLR, Saki Vihar Road, Powai, Mumbai - 72 Regd. off: Wadi - 440 023

Vendor Details

Country of origin: India
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