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Estina Eye Drop

Epinastine (0.05% w/v)

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Estina Eye Drop is an antihistaminic medication. It is used to treat inflammation of eyes (redness and swelling) caused due to various allergies. It is used to relieve symptoms like watery, itchy, red, swollen eyes or eyelids due to allergic conjunctivitis.

Written By Dr. Sakshi Jain, MS, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 22 Apr 2026 | 09:39 PM (IST)

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5 ml Eye Drop

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Gurgaon

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General Information

Contains

Epinastine (0.05% w/v)

Marketer

Entod Pharmaceuticals Ltd

Storage

Store below 30°C

The content is shown in English

Product introduction

Follow your doctor’s instructions precisely for administering Estina Eye Drop in the eye. It should be used regularly at evenly spaced time intervals as prescribed by your doctor. Do not skip any doses and finish the full course of treatment even if you feel better. Stopping the medicine too early may lead to the returning or worsening.

Commonly seen side effects seen with this medicine include temporary eye irritation and burning sensation after administration. Consult your doctor if these side effects persist or if your condition worsens. It may cause blurring of your vision for a short time just after its use, so not drive until your vision is clear.

Uses of Estina Eye Drop

Allergic eye disease

Benefits of Estina Eye Drop

Allergic eye disease
Estina Eye Drop helps relieve symptoms of allergic eye disease such as redness, swelling, itching, and watering of eyes. This medicine works by decreasing the production of certain chemicals that cause inflammation of the eyes. This will make it easier for you to go about your daily activities. Use it as prescribed to get the most benefit. If you see no improvement even after 2 weeks, talk to your doctor.

Side effects of Estina 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 Estina

Ocular hyperemia
Itching
Burning sensation in eye

How to use Estina 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 Estina Eye Drop works

Estina Eye Drop is an antiallergic. It works by blocking the action of a chemical messenger (histamine) which is responsible for red, itchy, watery eyes.

Quick tips

Your doctor has prescribed Estina Eye Drop to treat inflammation (redness and swelling) due to allergies of the eye.
It treats short-term or sudden allergic reactions in the eye.
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.
Stinging sensation may occur for 1-2 mins. Notify your doctor if it persists for longer.
Make sure to use within 4 weeks of opening the bottle.
Your doctor has prescribed Estina Eye Drop to help relieve allergy symptoms such as itching, swelling and rashes.
As compared to other similar medications, it is much less likely to make you feel sleepy.
Be cautious while driving or doing anything that requires concentration as it can cause dizziness and sleepiness.
Do not drink alcohol while taking this medication as it may cause increased sleepiness.
Stop taking Estina Eye Drop at least 3 days before taking an allergy test as it can affect the test results.

Safety advice

Alcohol

No interaction found/established

Pregnancy

SAFE IF PRESCRIBED

Estina Eye Drop is generally considered safe to use during pregnancy. Animal studies do not indicate harmful effects. However, there are limited human studies.

Breast feeding

CONSULT YOUR DOCTOR

Estina Eye Drop may be unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. It should be used only if the expected benefit outweighs the potential risk. Please consult your doctor.
After using eye drops, place pressure over the corner of eye for a minute, then remove the excess solution with an absorbent tissue to diminish the amount of drug reaching the breastmilk

Driving

UNSAFE

Estina Eye Drop may cause temporary visual disturbances. Do not drive until your vision is clear.

Kidney

No interaction found/established

Liver

No interaction found/established

Interaction with drugs

Taking Estina with any of the following medicines can modify the effect of either of them and cause some undesirable side effects

Moderate

Dalteparin (Injection Route)

Your doctor may frequently monitor your blood clotting time. Epinastine may reduce the efficacy of Dalteparin.

Moderate

Tranylcypromine (Oral Route)

Do not take Tranylcypromine with Epinastine. If concurrent use is essential, talk to your doctor.

Mild

Mefloquine (Oral Route)

Talk to your doctor if you experience palpitations, high/low blood pressure, increased sweating, etc.

Mild

Betahistine (Oral Route)

Take Epinastine with Betahistine only if prescribed by your doctor. Epinastine may block the action of Betahistine.

Frequently asked questions

Is Estina Eye Drop effective?

Estina Eye Drop is effective if used in the dose and duration advised by your doctor. Do not stop taking it even if you see improvement in your condition. If you stop using Estina Eye Drop too early, the symptoms may return or worsen.

Is Estina Eye Drop a steroid?

No, Estina Eye Drop is not a steroid. It is a medication which is used to treat allergic conditions. Most commonly it is used to treat allergic conjunctivitis/pink eye. Do not take this medication without consulting your doctor.

Can Estina Eye Drop cause eye irritation?

Usually, Estina Eye Drop does not cause eye irritation. In fact, it helps in reducing the inflammation and irritation in the eye. However, in certain cases, patients may experience eye irritation, abnormal eye sensation and eye discomfort.

Can a child take Estina Eye Drop?

Estina Eye Drop can be used in children above 3 years of age at the same dose as in adults. However, the safety with the use of Estina Eye Drop in children under 3 years of age have not been established. Therefore, the use of Estina Eye Drop should be avoided in children of such age group.

Does Estina Eye Drop make you sleepy?

Usually, the use of Estina Eye Drop does not make you sleepy, but sometimes there are chances that it can cause sleepiness. It is important to know that taking other anti-allergic medications orally along with this medication can also make you sleepy. Therefore, avoid driving or operating on machinery if you are sleepy. Contact your doctor if the medicine makes you uneasy.

How long can you use Estina Eye Drop?

The Estina Eye Drop should be instilled in the affected eye(s) with one drop twice daily. The duration of treatment with Estina Eye Drop will depend upon the disease condition, its severity, and the response of the patient to the treatment. The medicine can be given for as long as four months, if considered necessary. However, the exact duration is decided by your doctor.

Fact Box

Chemical Class

Dibenzazepines

Habit Forming

Therapeutic Class

OPHTHAL

Action Class

Second-Generation H1 Antihistamines

References

Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 476-77.
Epinastine hydrochloride. Marlow, Bucks: Allergan Ltd.; 2002 [revised 25 Mar. 2015]. [Accessed 23 Jan. 2019] (online) Available from:
Epinastine HCl ophthalmic solution. Irvine, California: Allergan, Inc.; 2004. [Accessed 01 Mar. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 01 Apr. 2019] (online) Available from:
Epinastine hydrochloride. Somerset, NJ: Somerset Therapeutics, LLC; 2025. [Accessed 22 Apr. 2026] (online). Available from:

User feedback

Patients taking Estina Eye Drop

Thrice A Day

39%

Once A Day

30%

Twice A Day

22%

Four Times A Day

What are you using Estina Eye Drop for?

Allergic conditions

100%

How much was the improvement?

Average

67%

Excellent

33%

What were the side-effects while using Estina Eye Drop?

No Side Effect

50%

Sleepiness

50%

How do you take Estina Eye Drop?

With food

50%

With or without food

50%

Please rate Estina Eye Drop on price

Expensive

83%

Average

17%

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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: Entod Pharmaceuticals Ltd
Address: Ashirwad building, S.V.Road, Opp. Badi Masjid, Bandra(W), Mumbai-400050, INDIA

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Estina Eye Drop. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's ℞ and the availability of this medicine.

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India

Lab tests offered by us

Why we need a prescription?

Estina Eye Drop

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of Estina Eye Drop

Benefits of Estina Eye Drop

Side effects of Estina Eye Drop

How to use Estina Eye Drop

How Estina Eye Drop works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Dalteparin (Injection Route)

Tranylcypromine (Oral Route)

Mefloquine (Oral Route)

Betahistine (Oral Route)

Frequently asked questions

Is Estina Eye Drop effective?

Is Estina Eye Drop a steroid?

Can Estina Eye Drop cause eye irritation?

Can a child take Estina Eye Drop?

Does Estina Eye Drop make you sleepy?

How long can you use Estina Eye Drop?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

References

User feedback

Patients taking Estina Eye Drop

What are you using Estina Eye Drop for?

How much was the improvement?

What were the side-effects while using Estina Eye Drop?

How do you take Estina Eye Drop?

Please rate Estina Eye Drop on price

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

In case of any issues, contact us

Lab tests offered by us

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