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Enac Eye Drop

Written By Dr. Sakshi Jain, MS, BDS
Reviewed By Dr. Rajeev Sharma, MBA, MBBS
Last updated on 17 Apr 2026 | 03:23 PM (IST)
Enac Eye Drop is a pain-relieving medicine. It is used for treating post-operative eye pain and inflammation.
Genuine
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MRP ₹16.23
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General Information

Contains

Diclofenac (0.1% w/v)

Marketer

Greenco Biologicals Pvt Ltd

Storage

Store below 30°C
The content is shown in English
Enac Eye Drop image
Enac Eye Drop image

Product introduction

Enac Eye Drop should be used in the dose and duration as advised by your doctor. You must wash your hands thoroughly with soap and water to avoid contamination. Hold the dropper close to the eye without touching it. Gently squeeze the dropper and place the medicine inside the lower eyelid. The dropper tip should not come in direct contact with your eyes or skin as there are chances of infection.

Burning sensation and eye discomfort might be seen as side effects in some patients. You should consult your doctor if these side effects stay for a longer duration. It is potentially unsafe to use this medicine during pregnancy and breastfeeding. Let your doctor know if you are pregnant or breastfeeding.

Uses of Enac Eye Drop

Benefits of Enac Eye Drop

Pain relief
Enac Eye Drop belongs to a group of medicines called nonsteroidal anti-inflammatory drugs (NSAIDs). It is used for short-term relief of pain, inflammation, and swelling in conditions that affect joints and muscles. It works by blocking chemical messengers in the brain that tell us we have pain. It can help relieve pain in conditions like rheumatoid arthritis and osteoarthritis.

Take it as it is prescribed to get the most benefit. Do not take more or longer than needed as that can be dangerous. In general, you should take the lowest dose that works, for the shortest possible time. This will help you to go about your daily activities more easily and have a better, more active, quality of life.
Post-operative eye pain and inflammation
Enac Eye Drop belongs to a group of medicines called nonsteroidal anti-inflammatory drugs (NSAIDs). It is used for short-term relief of post-operative eye pain, inflammation, and swelling. It works by blocking chemical messengers in the brain that tell us we have pain.

It may be used alone or with other eye drops. Do not use it too often as that can make it less effective. You should only use it in the affected eye and take it regularly as prescribed by your doctor. This will help you to go about your daily activities more easily.

Side effects of Enac 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 Enac
  • Dizziness
  • Nausea
  • Dyspepsia
  • Gastrointestinal bleeding
  • Gastrointestinal ulcer
  • Rash
  • Application site irritation
  • Injection site pain
  • Eye discomfort
  • Burning eyes
  • Vomiting
  • Headache
  • Diarrhea
  • Flatulence
  • Constipation
  • Abdominal pain

How to use Enac 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 Enac Eye Drop works

Enac Eye Drop is a non-steroidal anti-inflammatory drug (NSAID) that works by blocking the release of certain chemical messengers that cause pain and inflammation (redness and swelling) in the eye.

Quick tips

  • Enac Eye Drop is used to relieve inflammation, pain, and discomfort of the eye following eye surgery or injury.
  • If you wear soft contact lenses, remove them before putting Enac Eye Drop and wait at least 15 minutes before putting your lenses back in.
  • Do not touch the tip to any surface, or to your eye, to avoid contamination.
  • Wait for at least 5-10 minutes before delivering the next medication in the same eye to avoid dilution.
  • It may cause short-term blurring of vision when first used. Use caution before driving or using machines.
  • Make sure to use within 4 weeks of opening.

Safety advice

Alcohol

Alcohol

No interaction found/established
Pregnancy

Pregnancy

CONSULT YOUR DOCTOR
The safety of Enac 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
Enac 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.
Driving

Driving

UNSAFE
Enac 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

Interaction with drugs

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

Dexamethasone (Eye Route)

Please consult with your doctor.
Moderate

Dexamethasone (Eye/Ear Route)

Please consult with your doctor.

Frequently asked questions

Enac Eye Drop eye drops are used both before and after surgery. It helps to keep the eye open during surgery when being used before surgery. Whereas, after surgery or injury it is used to reduce pain and inflammation. It is also used in seasonal allergic conjunctivitis (hay fever) to reduce symptoms of red, itchy, and runny eyes.
Enac 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 Enac Eye Drop too early, the symptoms may return or worsen.
Use of Enac Eye Drop should be avoided in patients who are allergic to Enac Eye Drop or any of its components. However, if you are not aware of any allergy or if you are using Enac Eye Drop for the first time, consult your doctor.
Keep Enac Eye Drop in the container or the pack it came in, tightly closed. Store it according to the instructions mentioned on the pack or label. Dispose of the unused medicine. Keep it away from children and other people to avoid any misuse.
Enac Eye Drop can cause drowsiness and also dizziness, fatigue (tiredness), and visual disturbances. However, it is not very common and may not affect everyone. If you experience these symptoms avoid driving or operating heavy machinery.
You should not take Enac Eye Drop during the last 3 months of pregnancy as it may cause harmful effects on your baby. Use of Enac Eye Drop can also lead to reduced labor (premature delivery). Hence, it is advised to avoid using Enac Eye Drop during the first 6 months of pregnancy also. In some cases, Enac Eye Drop may be prescribed in pregnant women only if the benefits outweigh the risks involved with its use in pregnant women. If not sure, consult your doctor regarding its use.
Enac Eye Drop is safe if used in the dose and duration 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.
No, Enac Eye Drop does not get you high. It does not have an abuse potential (drug-seeking behavior) and does not cause physical or psychological dependence. However, if you do not feel well, consult your doctor.
No, Enac Eye Drop is not a narcotic. It belongs to the non-steroidal anti-inflammatory drug (NSAID) group of medicines.
Enac Eye Drop is effective in relieving pain and inflammation. It is used for various sorts of pain such as sprains, strains and other injuries. It is also helpful in various types of arthritis, gout, pain and inflammation following surgery.
No, Enac Eye Drop is not a narcotic. It belongs to non-steroidal anti-inflammatory drugs (NSAIDs) group of medicines.
No, Enac Eye Drop does not get you high. It does not have an abuse potential (drug-seeking behavior) and does not cause physical or psychological dependence. However, if you do not feel well, consult your doctor.
Long-term use and high doses of Enac Eye Drop may cause renal problems such as protein or blood in urine and painful urination. Patients who are at maximum risk of developing kidney problems include people who are dehydrated, have heart failure, impaired kidney function, hypertension, elderly, who are on medicines which cause excess urination (diuretics), or medicines which have significant impact on kidney function. Hence, for such patients kidney function monitoring is recommended.
Enac Eye Drop can cause drowsiness and also dizziness, fatigue (tiredness) and visual disturbances. However, it is not very common and may not affect everyone. If you experience these symptoms avoid driving or operating heavy machinery.
It is important to know that Enac Eye Drop may increase your chance of having a heart attack or stroke. The risk is more if you take higher doses and have been using the medicine for a longer time. Also, taking Enac Eye Drop may cause ulcers, bleeding, or holes in your stomach and intestine. These problems may happen without warning symptoms at any time during treatment and may even cause death. Therefore, if you encounter any such problems, consult your doctor immediately.
You should not take Enac Eye Drop during the last 3 months of pregnancy as it may cause harmful effects on your baby. Use of Enac Eye Drop can also lead to reduced labor (premature delivery). Hence, it is advised to avoid using Enac Eye Drop during the first 6 months of pregnancy also. In some cases, Enac Eye Drop may be prescribed in pregnant women only if the benefits outweigh the risks involved with its use in pregnant women. If not sure, consult your doctor regarding its use.

Fact Box

Chemical Class

Dichlorobenzenes

Habit Forming

No

Therapeutic Class

OPHTHAL

Action Class

NSAID's- Non-Selective COX 1&2 Inhibitors (acetic acid)

References

  1. Furst DE, Ulrich RW, Varkey-Altamirano C. Nonsteroidal Anti-Inflammatory Drugs, Disease Modifying Antirheumatic Drugs, Nonopioids Analgesics, & Drugs Used in Gout. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 626.
  2. Grosser T, Smyth E, FitzGerald GA. Anti-Inflammatory, Antipyretic, and Analgesic Agents; Pharmacotherapy of Gout. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 12th ed. New York, New York: McGraw-Hill Medical; 2011. pp. 986-87.
  3. 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. 295-97.
  4. Diclofenac. Newcastle Under Lyme, Staffordshire: Thea Pharmaceuticals Ltd.; 2002 [revised 15 Dec. 2014]. [Accessed 02 Apr. 2019] (online) Available from:
  5. Central Drugs Standard Control Organisation (CDSCO). [Accessed 02 Apr. 2019] (online) Available from:
  6. Diclofenac Sodium Ophthalmic Solution [Prescribing Information]. Allendale, NJ: Rising Pharmaceuticals, Inc.; 2018. [Accessed 06 Apr. 2024] (online) Available from:
  7. Diclofenac Sodium. Tampa, FL: Bausch and Lomb Incorporated; [Accessed 17 Apr. 2026] (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: Greenco Biologicals Pvt Ltd
Address: Greenco Biologicals Marketing Pvt Ltd, Tirupur, Dist :- Coimbator, Pin :- 641603, Tamilnadu, India

Vendor Details

Country of origin: India

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