Oculast Eye Drop

Azelastine (0.05% w/v)

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Oculast Eye Drop is an antihistaminic medication. It is used to treat inflammation of eyes (redness and swelling) caused due to various allergies. It helps in short-term or sudden allergic reactions in the eye.

Written By Dr. Anuj Saini, MMST, MBBS,
Reviewed By Dr. Sachin Gupta, MD Pharmacology, MBBS,
Last updated on 22 Apr 2026 | 11:48 AM (IST)

₹50.5 MRP ₹55.439% off

Gurgaon

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General Information

Contains

Azelastine (0.05% w/v)

Marketer

Centaur Pharmaceuticals Pvt Ltd

Storage

Store below 30°C

The content is shown in English

Product introduction

Follow your doctor’s instructions precisely for administering Oculast 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 Oculast Eye Drop

Allergic eye disease

Benefits of Oculast Eye Drop

Allergic eye disease
Oculast 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 Oculast 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 Oculast

Burning sensation in eye
Watery eyes

How to use Oculast 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 Oculast Eye Drop works

Oculast 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 Oculast 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 Oculast Eye Drop to help relieve allergy symptoms such as itching, swelling and rashes.
Stop taking Oculast 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

CONSULT YOUR DOCTOR

The safety of Oculast 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

CONSULT YOUR DOCTOR

Information regarding the use of Oculast Eye Drop during breastfeeding is not available. Please consult your doctor.
To reduce the amount of Oculast Eye Drop that reaches the breastmilk, remove the excess solution with an absorbent tissue.

Driving

UNSAFE

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

Moderate

Betahistine (Oral Route)

Use Azelastine with Betahistine only if prescribed by your doctor. Azelastine may block the action of Betahistine.

Frequently asked questions

What should I know before using Oculast Eye Drop?

Before using Oculast Eye Drop, you should tell your doctor if you are allergic to Oculast Eye Drop or any of its ingredients to avoid any allergic reactions. Let your doctor know if you have, or have had any problems with your eyes. Inform your doctor about all the other medicines you are taking because they may affect, or be affected by, this medicine. Inform your doctor if you are pregnant, planning to conceive or breastfeeding to prevent any harmful effects on the baby.

Is Oculast Eye Drop safe?

Oculast Eye Drop is safe if used in the dose and duration as advised by your doctor. Take it exactly as directed and do not skip any dose. Follow your doctor's instructions carefully and let your doctor know if any of the side effects bother you.

What if I forget to take a dose of Oculast Eye Drop?

If you forget a dose of Oculast Eye Drop, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take the next scheduled dose. Do not double the dose to make up for the missed one as this may increase the chances of developing side effects.

Is Oculast Eye Drop effective?

Oculast 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 Oculast Eye Drop too early, the symptoms may return or worsen.

Fact Box

Chemical Class

Phthalazinones

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. 115-16.
Azelastine. Somerset, New Jersey: Meda Pharmaceuticals; 2008. [Accessed 01 Apr. 2019] (online) Available from:

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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: Centaur Pharmaceuticals Pvt Ltd
Address: CENTAUR HOUSE, Near Grand Hyatt, Vakola ,Santacruz – East, Mumbai – 400 055, India.

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?

Oculast Eye Drop

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of Oculast Eye Drop

Benefits of Oculast Eye Drop

Side effects of Oculast Eye Drop

How to use Oculast Eye Drop

How Oculast Eye Drop works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Betahistine (Oral Route)

Frequently asked questions

What should I know before using Oculast Eye Drop?

Is Oculast Eye Drop safe?

What if I forget to take a dose of Oculast Eye Drop?

Is Oculast Eye Drop effective?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

References

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

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