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compositionComposition:EPINASTINE-0.05%W/V
prescription
Prescription Medicine
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Relestat Eye Drops 5 ml is used to treat Allergic conjunctivitis. It contains Epinastine, which belongs to the class of antihistamines. It works by blocking and preventing the action of histamine, a chemical substance that causes allergic symptoms. Thereby, it helps treat allergic conjunctivitis. Common side effects of Relestat Eye Drops 5 ml may include eye irritation, headache, cough, runny nose, swollen eyelids, and common cold.

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Written By Dr. Lakshmithulasi Yarragunta , PharmD (PB)
Reviewed By Dr Aneela Siddabathuni , MPharma., PhD
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More about the Product

Composition :

EPINASTINE-0.05%W/V

Manufacturer/Marketer :

Allergan Healthcare India Pvt Ltd

Consume Type :

Ophthalmic

Expires on or after :

Jan-27

Return Policy :

Not Returnable

About Relestat Eye Drops 5 ml

Relestat Eye Drops 5 ml is a specialised eye drop designed to prevent and relieve itchy eyes caused by seasonal or year-round allergies. It targets the localised allergic response directly on the eye surface, offering rapid relief from discomfort. This medication is specifically formulated to address eye symptoms associated with allergic conjunctivitis.

For the best results, you should use it consistently throughout the allergy season or as directed by your healthcare provider. Because this is an ophthalmic solution applied directly to the eyes, it can be used without regard to your meal times. Incorporating simple lifestyle adjustments, such as keeping windows closed during high-pollen seasons and using indoor air purifiers, can significantly improve your treatment outcomes.

Some people may experience mild, temporary burning, stinging, or minor eye irritation immediately after application. These symptoms are usually brief and fade quickly. However, if you experience severe eye pain, changes in your vision, or worsening redness, stop using the drops and consult your doctor immediately.

Before starting, talk to your doctor if you have an active eye infection or any other ongoing eye conditions. You should not use this medication if you are allergic to any of its ingredients. If you wear contact lenses, special precautions must be taken during use to prevent irritation or damage to the lenses.

It is important to inform your doctor about all other eye medications or oral drugs you are taking to prevent potential interactions. If you are pregnant, breastfeeding, or planning a pregnancy, consult your doctor or pharmacist to determine if this treatment is safe and appropriate for your situation. This medicine is not recommended for children younger than 3 years of age, as its safety and effectiveness have not been established in this age group. 

Uses of Relestat Eye Drops 5 ml

Your doctor may recommend this eye drop to help manage the following conditions:

  • Allergic Conjunctivitis: It helps to relieve and prevent the intense itching, redness, and swelling associated with eye allergies triggered by pollen, dust, pet dander, or mould.

Key Benefits

When taken consistently as directed, this drop may provide the following health benefits:

  • Relieves eye allergy symptoms: This medicine helps reduce itching, redness, and discomfort caused by eye allergies. By acting directly on the allergic response in the eyes, it provides relief and helps you stay comfortable during daily activities.
  • Reduces eye irritation: These eye drops help decrease redness and puffiness around the eyes while reducing the urge to rub them, which can worsen irritation and discomfort.
Side effects of Relestat Eye Drops 5 ml
  • Excessive blood flow needs immediate medical attention it should not be ignored.
  • Get an immediate physical examination and take necessary precautions.
  • Avoid anxiety and stress, as it can worsen your condition.
  • Consume more foods that are rich in Vitamin C and iron.
  • Stay hydrated and take necessary medication to control excess bleeding, as it can lead to critical conditions.
Here are the few steps for dealing with itching caused by drug use:
  • Report the itching to your doctor immediately; they may need to change your medication or dosage.
  • Use a cool, damp cloth on the itchy area to help soothe and calm the skin, reducing itching and inflammation.
  • Keep your skin hydrated and healthy with gentle, fragrance-free moisturizers.
  • Try not to scratch, as this can worsen the itching and irritate your skin.
  • If your doctor prescribes, you can take oral medications or apply topical creams or ointments to help relieve itching.
  • Track your itching symptoms and follow your doctor's guidance to adjust your treatment plan if needed. If the itching persists, consult your doctor for further advice.
Dealing with Medication-Induced Headache:
  • Hydrate your body: Drink enough water to prevent dehydration and headaches.
  • Calm Your Mind: Deep breathing and meditation can help you relax and relieve stress.
  • Rest and Recharge: Sleep for 7-8 hours to reduce headache triggers.
  • Take rest: lie down in a quiet, dark environment.
  • Cold or warm compresses can help reduce tension.
  • Stay Upright: Maintain good posture to keep symptoms from getting worse.
  • To treat headaches naturally, try acupuncture or massage therapy.
  • Over-the-counter pain relievers include acetaminophen and ibuprofen.
  • Prescription Assistance: Speak with your doctor about more substantial drug alternatives.
  • Severe Headaches: Seek emergency medical assistance for sudden, severe headaches.
  • Frequent Headaches: If you get reoccurring headaches, consult your doctor.
  • Headaches with Symptoms: Seek medical attention if your headaches include fever, disorientation, or weakness.
Managing Medication-Triggered Rhinitis (Stuffy Nose): A Step-by-Step Guide
  • Consult your doctor if you experience nasal congestion, runny nose, or sinus pressure after taking medication.
  • Your doctor may adjust your treatment plan by changing your medication, adding new medications, or providing guidance on managing your rhinitis symptoms.
  • If advised by your doctor, use nasal decongestants or saline nasal sprays to help relieve nasal congestion.
  • Practice good hygiene, including frequent handwashing, avoiding close contact with others, and avoiding sharing utensils or personal items.
  • Stay hydrated by drinking plenty of water and other fluids to help thin out mucus and soothe your nasal passages.
Here are the steps to manage the medication-triggered Sinusitis (Sinus infection or Inflammation Of Sinuses):
  • Consult your doctor if you experience symptoms of sinusitis, such as nasal congestion, facial pain, or headaches, which may be triggered by your medication.
  • Your doctor may adjust your treatment plan by changing your medication, adding new medications, or providing guidance on managing your sinusitis symptoms.
  • Practice good hygiene, including frequent handwashing, avoiding close contact with others, and avoiding sharing utensils or personal items.
  • If your doctor advises, you can use nasal decongestants or saline nasal sprays to help relieve nasal congestion and sinus pressure.
  • To help your body recover, get plenty of rest, stay hydrated, and engage in stress-reducing activities. If your symptoms persist or worsen, consult your doctor for further guidance.

Directions for Use

  • Follow your doctor’s advice regarding the dosage and duration.
  • Lie down and tilt your head backwards. Pull your lower eyelid gently with your index finger to form a pocket. Instill the number of drops as advised by the doctor into the pocket of the lower eyelid. Close your eyes for 1-2 minutes.
  • Avoid touching the tip of the eye dropper as this may result in contamination.

How Relestat Eye Drops 5 ml Works

Relestat Eye Drops 5 ml works locally on the surface of the eye through a highly targeted, dual-action mechanism. First, it acts as an antihistamine by blocking histamine, a natural substance released by your body during an allergic reaction that causes itching, redness, and swelling. Second, it acts as a mast cell stabiliser, which means it helps prevent the cells in your eye from releasing histamine in the first place. By both blocking existing histamine and preventing further release, these drops provide highly effective relief from allergy symptoms.
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Alcohol

Consult your doctor

It is not known whether Relestat Eye Drops 5 ml interacts with alcohol. Please consult your doctor.

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Pregnancy

Caution

If you are pregnant or planning pregnancy, inform your doctor before receiving Relestat Eye Drops 5 ml. Your doctor may prescribe this medicine if the benefits outweigh the risks.

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Breast Feeding

Caution

If you are breastfeeding, inform your doctor before receiving Relestat Eye Drops 5 ml. Your doctor may prescribe this medicine if the benefits outweigh the risks.

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Driving

Caution

Relestat Eye Drops 5 ml can cause blurred vision or visual disturbances. Hence, driving or operating machinery is advised only if your vision is clear.

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Liver

Caution

Please consult your doctor before using Relestat Eye Drops 5 ml if you have a liver impairment or any concerns regarding this.

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Kidney

Caution

Please consult your doctor if you have any concerns regarding the usage of Relestat Eye Drops 5 ml in patients with kidney impairment.

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Children

Caution

Relestat Eye Drops 5 ml can be used in children older than two years only if prescribed by the doctor.

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Heart

Consult your doctor

Please consult your doctor if you have any concerns regarding the usage of Relestat Eye Drops 5 ml in patients with heart problems.

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Geriatrics

Consult your doctor

Please consult a doctor if you have any concerns regarding the use of Relestat Eye Drops 5 ml in elderly patients.

What if I have taken an overdose of Relestat Eye Drops 5 ml

An overdose of this ophthalmic medication is highly unlikely when used as directed. However, if the solution is accidentally swallowed, or if you experience severe eye irritation from excessive use, seek immediate medical attention.

Diet & Lifestyle Advise

  • Reduce allergen exposure: Keep windows in your home and car closed during high-pollen seasons. Use air conditioning with proper filters to help reduce airborne allergens.
  • Protect your eyes outdoors: Wear wraparound sunglasses when outside to reduce exposure to dust, wind, and pollen that may trigger eye irritation.
  • Use a cool compress: Apply a clean, cool compress over closed eyes for a few minutes to help soothe itching and reduce swelling.
  • Avoid rubbing your eyes: Rubbing can worsen irritation, increase itching, and raise the risk of eye infections.
  • Maintain cleanliness: Wash your hands and face regularly, especially after outdoor activities, to remove pollen and other allergens from your skin.
health query

Have a query?

How Soon It Starts Working

The time required for Relestat Eye Drops 5 ml to start to work: The peak effect of Relestat Eye Drops 5 ml can be observed in 3-5 minutes of instillation. The time for which the effects of Relestat Eye Drops 5 ml last: Relestat Eye Drops 5 ml effect can last for approximately 8 hours.

What if you forget to take Relestat Eye Drops 5 ml

If you miss a dose, apply it as soon as you remember. However, if it is almost time for your next scheduled dose, skip the missed dose and resume your regular schedule. Do not apply a double dose to make up for a missed one.

Storage

• Store it at room temperature, ideally between 15°C and 25°C (59°F to 77°F).

Drug Warnings

  • Check the eye drops before use: Inspect the solution before applying. Do not use it if it appears cloudy, discoloured, or contains visible particles.
  • Avoid contamination: Do not allow the dropper tip to touch your eye, eyelids, or any surface, as this can contaminate the medicine and increase the risk of eye infections.
  • Avoid contact lenses during irritation: Do not wear contact lenses while your eyes are red or irritated, as they may worsen discomfort and increase irritation.
  • Wait before wearing contact lenses: Wait at least 10 minutes after applying this medicine before reinserting contact lenses, unless your doctor advises otherwise.
  • Be careful after application: Avoid driving or operating machinery immediately after using these eye drops, as they may temporarily cause blurred vision.
  • Do not share eye drops: Do not share your eye drops with others, even if they have similar symptoms, to prevent the spread of infections.

Drug-Drug Interactions

verifiedApollotooltip
  • Other Ophthalmic Drops: Using other eye drops at the same time may wash out Relestat Eye Drops 5 ml or interfere with its absorption. Always separate the use of different eye drops by at least 5 to 10 minutes.
No Drug - Drug interactions found in our data. We may lack specific data on this medicine and are actively working to update our database. Consult your doctor for personalized advice

Drug-Drug Interactions

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Drug-Food Interactions

verifiedApollotooltip
  • No clinically significant food interactions are known with Relestat Eye Drops 5 ml when used as directed.     
     
No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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All Substitutes & Brand Comparisons

Habit Forming

No

Therapeutic Class

[ANTIHISTAMINE]

FAQs

Relestat Eye Drops 5 ml is used to treat Allergic conjunctivitis.
Relestat Eye Drops 5 ml works by blocking and preventing the action of histamine, a chemical substance that causes allergic symptoms. Thereby, Relestat Eye Drops 5 ml helps treat allergic conjunctivitis.
To treat your condition effectually, continue using Relestat Eye Drops 5 ml for as long as your doctor has prescribed it. Consult the doctor if the irritation persists or worsens.
Do not wear contact lenses while using Relestat Eye Drops 5 ml. Remove contact lenses before using Relestat Eye Drops 5 ml and reinsert after 15 minutes of using Relestat Eye Drops 5 ml.
The common side effects of Relestat Eye Drops 5 ml include eye irritation, headache, cough, runny nose, swollen eyelids, and common cold. If these side effects persist for a longer period, please consult your doctor as soon as possible.
Relestat Eye Drops 5 ml is effective in treating allergic conjunctivitis. It helps reduce itching, redness, and swelling in the eyes caused by certain substances in the air.
Relestat Eye Drops 5 ml is not a steroid. It is an antihistamine that reduces itching, redness, and swelling in the eyes by blocking histamine receptors, but it does not have the anti-inflammatory effects of steroids.
Relestat Eye Drops 5 ml may cause eye irritation as a side effect in some people. If irritation persists or worsens, please consult your doctor.
Please consult a doctor before giving Relestat Eye Drops 5 ml to a child, as it is not approved for use in children under 2 years old. For children aged 2 and older, a doctor will determine the safety and appropriate dosage.
Relestat Eye Drops 5 ml is not usually associated with causing sleepiness. However, if you feel unusually sleepy, please consult your doctor.
No, this is an antihistamine eye drop designed specifically for eye allergies and will not cure bacterial or viral eye infections. If you suspect you have an infection, talk to your doctor for an accurate diagnosis.
It is common to experience temporary mild blurriness immediately after applying eye drops. Avoid driving or operating machinery until your vision clears completely. Talk to your doctor if the blurriness persists.
There is limited clinical data on the use of these eye drops during pregnancy. If you are pregnant or planning to become pregnant, talk to your doctor to weigh the potential benefits against any risks.
Most eye drops must be discarded 4 weeks after opening to prevent bacterial contamination, even if there is still liquid left. Check the product packaging or talk to your pharmacist for specific storage guidelines.
You should avoid combining multiple allergy eye drops unless specifically advised by your healthcare provider, as this can increase the risk of side effects. Talk to your doctor before combining eye treatments.

Disclaimer

While we strive to provide complete, accurate, and expert-reviewed content on our 'Platform', we make no warranties or representations and disclaim all responsibility and liability for the completeness, accuracy, or reliability of the aforementioned content. The content on our platform is for informative purposes only, and may not cover all clinical/non-clinical aspects. Reliance on any information and subsequent action or inaction is solely at the user's risk, and we do not assume any responsibility for the same. The content on the Platform should not be considered or used as a substitute for professional and qualified medical advice. Please consult your doctor for any query pertaining to medicines, tests and/or diseases, as we support, and do not replace the doctor-patient relationship.

Reference

  1. MedlinePlus. A604011 Patient Information Monograph. Bethesda, MD: U.S. National Library of Medicine (NLM); 2025. [Accessed on 02 Jun. 2026]Check here
  2. U.S. Food and Drug Administration (FDA). 021565S006Lbl [FDA Prescribing Information]. Silver Spring, MD: FDA; 2024. [Accessed on 02 Jun. 2026]Check here
  3. National Center for Biotechnology Information (NCBI). Nbk557538 Scientific Research Publication. Bethesda, MD: NLM; 2025. [Accessed on 02 Jun. 2026]Check here
  4. DrugBank Online. Db00751 Clinical & Chemical Summary. Edmonton, AB: DrugBank; 2026. [Accessed on 02 Jun. 2026]Check here
  5. Mayo Clinic Staff. Drg 20063663 Inhalation and Dosage Monograph. Rochester, MN: Mayo Foundation for Medical Education; 2025. [Accessed on 02 Jun. 2026]Check here
  6. Epinastine hydrochloride. 2002. [Accessed on 23 Jan. 2019]Check here
  7. Epinastine HCl ophthalmic solution. 2004. [Accessed on 01 Mar. 2019]Check here

Country of origin

India

Manufacturer/Marketer address

No.3, Kasturba Road, Level 2, Prestige Obelisk, Bangalore ? 560 001., KARNATAKA, INDIA
Other Info - REL0002
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