Olopatadine Eye Drops: Uses, Brands & Dosage

Olopatadine is an anti-allergy eye drop commonly prescribed in India to relieve itchy, watery eyes caused by allergic conjunctivitis.

Drug class	Dual-Action (Antihistamine + Mast Cell Stabiliser)
Type	Single
Forms	Eye Drop
Common strength	0.1% / 0.2% / 0.7%
Common Indian brands	Patanol, Pataday, Winolap, Olopat, Alergo
Prescription status	Prescription

What Olopatadine is used for

Olopatadine eye drops are prescribed by ophthalmologists to treat various allergic eye conditions. These conditions occur when your eyes react to allergens like pollen, dust mites, or pet dander, leading to discomfort.

Seasonal Allergic Conjunctivitis: This is a common allergy that flares up during specific seasons, often due to pollen from trees, grasses, or weeds. It causes itchy, red, and watery eyes.
Perennial Allergic Conjunctivitis: Unlike seasonal allergies, this type can affect your eyes year-round. It’s often triggered by indoor allergens such as dust mites, pet dander, or mould.
Itchy Watery Eyes: Olopatadine is highly effective in relieving the bothersome symptoms of itching and excessive watering that are characteristic of eye allergies.
Vernal Keratoconjunctivitis (as an adjunct): This is a more severe, chronic form of eye allergy, often seen in children and young adults. Olopatadine can be used alongside other treatments to help manage the symptoms of this condition.

By targeting the underlying allergic reaction, Olopatadine helps to bring quick and lasting relief to your eyes.

How it works

Olopatadine is a special kind of anti-allergy eye drop because it has a ‘dual-action’ mechanism. This means it works in two important ways to relieve your eye allergy symptoms:

Blocks Histamine: When you have an allergic reaction, your body releases a chemical called histamine. Histamine is responsible for causing many of the uncomfortable symptoms you experience, like itching, redness, and watering. Olopatadine works by blocking the action of histamine, which quickly reduces these symptoms.
Stabilises Mast Cells: In addition to blocking histamine, Olopatadine also acts as a ‘mast cell stabiliser’. Mast cells are specific cells in your body that store and release various allergy-causing chemicals, including histamine, when they encounter an allergen. By stabilising these mast cells, Olopatadine helps to prevent them from releasing these chemicals in the first place. This stops the allergic reaction from getting worse and provides longer-lasting relief.

This dual action makes Olopatadine very effective in both quickly relieving existing symptoms and preventing new ones from developing.

How it’s used

Using eye drops correctly is very important to ensure the medicine works effectively and to avoid contamination. Always follow your ophthalmologist’s instructions precisely. Here are general guidelines for using Olopatadine eye drops:

Dosing:
- For the 0.1% strength: Typically, one drop is instilled into the affected eye(s) twice a day.
- For the 0.2% strength: Typically, one drop is instilled into the affected eye(s) once a day.
Before You Begin: Always wash your hands thoroughly with soap and water before handling the eye drop bottle.
Applying the Drops:
1. Tilt your head back slightly and pull down your lower eyelid to create a small pocket.
2. Hold the dropper bottle upside down, directly over your eye. Try not to let the tip touch your eye, eyelid, or any other surface to prevent contamination.
3. Gently squeeze the bottle to release one drop into the pocket you created.
4. Close your eye gently for a minute or two. Do not blink excessively or squeeze your eyes shut tightly, as this can push the medicine out.
5. If you need to use drops in both eyes, repeat the process for the other eye.
After Applying: Wash your hands again after instilling the drops.
Contact Lenses: If you wear contact lenses, your doctor will advise you on whether you need to remove them before using the drops and how long to wait before reinserting them. Generally, it’s advisable to remove contact lenses before using eye drops and wait at least 10-15 minutes before putting them back in.
Consistency: Use the drops regularly as prescribed, even if your symptoms improve, to ensure the best results and prevent symptoms from returning.

Remember, this is a prescription medicine. Never adjust your dose or stop using the drops without consulting your ophthalmologist.

Always follow your ophthalmologist’s exact instructions.

Brands available in India

Patanol
Pataday
Winolap
Olopat
Alergo

Brand availability and pricing vary; confirm with your pharmacist.

Good to know

Prescription eye medicine — use only as directed by a qualified ophthalmologist. This page is for general education and is not a substitute for professional medical advice, diagnosis or a prescription. Do not self-medicate or reuse an old prescription.

Precautions & side effects

Olopatadine is a widely prescribed and generally safe anti-allergy eye drop, but it’s important to use it responsibly and be aware of certain precautions:

Prescription Medicine: Olopatadine is a prescription eye medicine. It must only be used as directed by a qualified ophthalmologist. Do not self-medicate or reuse an old prescription without consulting your doctor.
Quick Relief: Many patients experience relief from itching and other allergy symptoms usually within 30 minutes of using Olopatadine eye drops.
Safe for Long-Term Seasonal Use: If you suffer from seasonal allergies, Olopatadine is generally considered safe for long-term use throughout the allergy season, as advised by your doctor.
Avoid Contamination: To prevent contamination of the eye drops, do not touch the tip of the dropper bottle to your eye, eyelid, fingers, or any other surface.
Storage: Store the eye drops as instructed on the packaging, usually at room temperature and away from direct sunlight.
Side Effects: While generally well-tolerated, some individuals might experience mild, temporary side effects such as a stinging or burning sensation upon instillation, dry eyes, or headache. If any side effects persist or worsen, contact your ophthalmologist.
Other Eye Medicines: If you are using other eye drops or ointments, always wait at least 5-10 minutes between different medications to allow each one to be absorbed properly.
Driving and Operating Machinery: Rarely, some individuals might experience temporary blurred vision after instilling eye drops. If this occurs, wait until your vision clears before driving or operating machinery.
Pregnancy and Breastfeeding: If you are pregnant, planning to become pregnant, or breastfeeding, inform your doctor before using Olopatadine.
Children: Use in children should always be under the guidance and prescription of an ophthalmologist.

This information is for general education and is not a substitute for professional medical advice, diagnosis, or a prescription. Always consult your ophthalmologist for any concerns or questions regarding your treatment.

Understanding Allergic Conjunctivitis: What Happens to Your Eyes?

Allergic conjunctivitis is a very common condition where your eyes become inflamed due to an allergic reaction. It’s often triggered by substances called allergens, which are usually harmless to most people but cause an overreaction in sensitive individuals. Common allergens include pollen from trees, grasses, and weeds (leading to seasonal allergies), as well as dust mites, pet dander, and mould (often causing year-round or perennial allergies).

When your eyes come into contact with an allergen, your immune system releases chemicals, primarily histamine. It’s this histamine that causes the familiar and uncomfortable symptoms you experience: intense itching, redness, excessive watering, and sometimes a gritty or burning sensation. Your eyelids might also become swollen. While usually not serious, these symptoms can be very bothersome and affect your daily life, making it difficult to concentrate, read, or even enjoy outdoor activities. Identifying and avoiding your specific triggers, along with proper medical treatment, is key to managing allergic conjunctivitis effectively.

Correct Eye Drop Instillation and Hygiene

Using eye drops correctly is crucial for their effectiveness and to prevent potential infections. Many people don’t realise that improper technique can reduce the medicine’s benefits or even introduce germs into the eye. Here’s a step-by-step guide to ensure you’re doing it right:

Wash Your Hands Thoroughly: This is the most critical first step. Use soap and water to wash your hands for at least 20 seconds before touching your eyes or the eye drop bottle. This prevents transferring bacteria or viruses from your hands to your eyes.
Check the Bottle: Ensure the bottle is not expired and the tip is clean. Do not use drops if the solution looks cloudy or discoloured, unless specifically instructed by your doctor.
Prepare for Instillation: Gently shake the bottle if instructed on the label. Tilt your head back or lie down. With the index finger of one hand, gently pull down your lower eyelid to create a small pocket.
Administer the Drop: Hold the dropper bottle upside down with your other hand, positioning it directly above your eye. Be very careful not to let the tip of the bottle touch your eye, eyelid, eyelashes, or any other surface. This is vital to prevent contamination of the medicine. Gently squeeze the bottle to release a single drop into the pocket of your lower eyelid.
Close Your Eye Gently: After the drop is in, close your eye gently for one to two minutes. Avoid blinking excessively or squeezing your eye tightly, as this can push the medicine out of your eye. You can also press lightly on the inner corner of your eye (near your nose) for a minute to help the medicine stay in the eye and reduce drainage into your tear duct.
Clean Up: If any excess liquid drips onto your face, gently wipe it away with a clean tissue.
Wash Hands Again: After you’re done, wash your hands again to remove any medicine residue.

If you are prescribed more than one type of eye drop, always wait at least 5-10 minutes between different medications to allow each drop to be absorbed properly without washing out the previous one. If you wear contact lenses, your doctor will advise you on when to remove them before using drops and how long to wait before reinserting them; typically, it’s recommended to remove them and wait at least 15 minutes.

General Eye Care, Storage, and When to Seek Help

Maintaining good eye hygiene and knowing when to consult your ophthalmologist are essential for healthy eyes. Always store your eye drops according to the instructions on the packaging, usually at room temperature and away from direct sunlight or extreme heat. Keep the bottle tightly closed when not in use. Never share your eye drops with anyone else, even if they have similar symptoms, as this can spread infections. Discard the bottle after the recommended period, usually 28 days after opening, even if there is still medicine left, as sterility cannot be guaranteed after this time.

While Olopatadine is effective for allergic conjunctivitis, it’s important to recognise when your symptoms might indicate something more serious. You should contact your ophthalmologist immediately if you experience:

Severe eye pain.
Sudden changes in vision or significant blurring that doesn’t clear.
Increased redness, swelling, or discharge from the eye.
Sensitivity to light (photophobia).
A feeling that something is stuck in your eye.
Symptoms that worsen or do not improve after a few days of using the prescribed drops.
Any new or unusual symptoms.

Regular eye check-ups are also important, especially if you have a history of eye conditions or other health issues. Your ophthalmologist is your best resource for personalised advice and care regarding your eye health.

Frequently asked questions

What is Olopatadine used for?

Olopatadine eye drops are used to treat various allergic eye conditions such as seasonal and perennial allergic conjunctivitis, itchy watery eyes, and can be used as an adjunct treatment for vernal keratoconjunctivitis.

How does Olopatadine work?

Olopatadine has a dual action. It works by blocking histamine, which is a chemical in the body that causes itching and other allergy symptoms. It also stabilises mast cells, preventing them from releasing more allergy-causing chemicals, providing both quick relief and longer-lasting prevention of symptoms.

What are some common Indian brands of Olopatadine?

Some common Indian brands of Olopatadine eye drops include Patanol, Pataday, Winolap, Olopat, and Alergo.

How should I use Olopatadine eye drops?

You should use Olopatadine exactly as prescribed by your ophthalmologist. The 0.1% strength is typically used twice a day, and the 0.2% strength is typically used once a day. Always wash your hands before and after use, and avoid touching the dropper tip to your eye or any surface.

Do I need a prescription for Olopatadine?

Yes, Olopatadine is a prescription eye medicine. You should only use it as directed by a qualified ophthalmologist and not self-medicate or reuse an old prescription.

What precautions should I take while using Olopatadine?

Always use Olopatadine as prescribed by your doctor. It provides relief usually within 30 minutes and is safe for long-term seasonal use. Avoid contaminating the dropper tip. If you wear contact lenses, follow your doctor's advice on when to remove and reinsert them. Consult your ophthalmologist if you experience any persistent side effects or worsening symptoms.

References

Medically reviewed by Dr. C Jagadesh Reddy, Chief Surgeon: Cornea, Cataract and Refractive Surgery — last reviewed 2026-07-28.

This page is for general education only and is not a substitute for professional medical advice, diagnosis or treatment. Never self-medicate or reuse an old prescription. Always consult a qualified ophthalmologist before starting, changing or stopping any eye medicine.