Drosyn 10% Eye Drop

Phenylephrine (10% w/v)

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Drosyn 10% Eye Drop is a medicine used to enlarge the pupil of your eye before surgery or examination. It helps to constrict blood vessels in the eye and increases pupil size. Your doctor or eye specialist may use it to examine your eye more closely or as part of a treatment program.

Written By Dr. Syeda Aafia, MBA, BDS,
Reviewed By Dr. Mekhala Chandra, MD, MBBS,
Last updated on 29 Apr 2026 | 01:02 PM (IST)

MRP ₹38.72

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General Information

Contains

Phenylephrine (10% w/v)

Marketer

FDC Ltd

Storage

Store below 30°C

The content is shown in English

Product introduction

Drosyn 10% Eye Drop is usually taken when needed. Use the number of drops as advised by your doctor. Wait for at least 5-10 minutes before delivering any other medication in the same eye to avoid dilution. Do not use a bottle if the seal is broken before you open it. Always wash your hands and do not touch the end of the dropper.

The most common side effects of using this medicine are eye pain and photophobia. These are usually temporary and go away with time. You should let your doctor know if the side effects do not improve or if they get worse.

Do not use it while wearing soft contact lenses and talk to your doctor if you develop an eye infection while using it. If you are pregnant or breastfeeding, consult your doctor before using this medicine.

Uses of Drosyn Eye Drop

Eye examination

Benefits of Drosyn Eye Drop

Eye examination
Drosyn 10% Eye Drop is a medicine that helps to increase the size of the pupil of the eye before any treatment of the eye. This enables better eye examination and a thorough understanding of the structures in the eye, thus aiding in the treatment. During certain eye surgeries and examinations, this treatment can help to maintain the shape of the eye and to protect it from injury during the procedure.

How to use Drosyn 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 Drosyn Eye Drop works

Drosyn 10% Eye Drop is a decongestant. It works by narrowing blood vessels of the eye to relieve inflammation (redness and swelling).

Quick tips

Drosyn 10% Eye Drop is used to enlarge the pupil for an eye examination.
Apply pressure on the corner of the eye (close to the nose) for about 1 minute immediately after instilling the drop.
Pain in the eye may occur for 1-2 minutes. Notify your doctor if it persists for longer.
Remove contact lenses before using Drosyn 10% Eye Drop and give a gap of 10-15 minutes before wearing them again.

Safety advice

Alcohol

No interaction found/established

Pregnancy

CONSULT YOUR DOCTOR

The safety of Drosyn 10% 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 Drosyn 10% Eye Drop during breastfeeding is not available. Please consult your doctor.

Driving

UNSAFE

Drosyn 10% 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 Drosyn with any of the following medicines can modify the effect of either of them and cause some undesirable side effects

Mild

Paracetamol (Oral Route)

Talk to your doctor if you notice any unusual symptoms.Doctor may monitor your blood sugar level. Paracetamol may raise blood levels of Phenylephrine.

Mild

Paracetamol (Injection Route)

Talk to your doctor if you notice any unusual symptoms.Doctor may monitor your blood sugar level. Paracetamol may raise blood levels of Phenylephrine.

Fact Box

Chemical Class

1- hydroxy- 4- unsubstituted benzenoids

Habit Forming

Therapeutic Class

OPHTHAL

Action Class

Sympathomimetics- Alpha-1 (Nasal)

References

Westfall TC, WestfallIn DP. Adrenergic Agonists and Antagonists. 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. p. 295.
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. p. 1110.
Central Drugs Standard Control Organisation (CDSCO). [Accessed 01 Apr. 2019] (online) Available from:

User feedback

What are you using Drosyn Eye Drop for?

Pupil dilation

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Excellent

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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: FDC Ltd
Address: B-8, MIDC Industrial Area, Waluj, Aurangabad - 431 136, Maharashtra / G-1, MIDC Malegaon, Tal Sinnar, Nashik - 422113, Maharashtra / 142-148, S.V. Road, Jogeshwari (W), Mumbai-400102, Maharashtra

Vendor Details

Country of origin: India

Drosyn 10% Eye Drop

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of Drosyn Eye Drop

Benefits of Drosyn Eye Drop

How to use Drosyn Eye Drop

How Drosyn Eye Drop works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Paracetamol (Oral Route)

Paracetamol (Injection Route)

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

References

User feedback

What are you using Drosyn Eye Drop for?

How much was the improvement?

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

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