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Phenosulf Eye Drop

Sulphacetamide (15% w/v)+ Zinc Sulphate Monohydrate (0.1% w/v)+ Chlorpheniramine Maleate (0.01% w/v)+ Boric Acid (2% w/v)+ Sodium Chloride (0.90% w/v)+ Chlorbutol (0.5% w/v)

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Phenosulf Eye Drop is a combination medicine used to treat bacterial eye infections. It kills and prevents the growth of the bacteria that cause infection in the eyes. This way it relieves the symptom caused by the infection and speeds up the recovery.

Written By Dr. Subita Alagh, BDS,
Reviewed By Dr. Sachin Gupta, MD Pharmacology, MBBS,
Last updated on 26 Sep 2025 | 11:33 AM (IST)

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10 ml Eye Drop

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General Information

Contains

Sulphacetamide (15% w/v)+ Zinc Sulphate Monohydrate (0.1% w/v)+ Chlorpheniramine Maleate (0.01% w/v)+ Boric Acid (2% w/v)+ Sodium Chloride (0.90% w/v)+ Chlorbutol (0.5% w/v)

Marketer

Syntho Pharmaceuticals Pvt Ltd

Storage

Store below 25°C

The content is shown in English

Product introduction

Phenosulf Eye Drop is to be used as per the label instructions or as suggested by your doctor. This medicine must be instilled only in the affected eye. Use it regularly to get the most benefit from the medicine. The course of the medicine should be completed even if you feel better. You must wash your hands before administering the medicine. Do not use it more than the recommended dose.

Generally, this is a safe medicine. However, it may cause some mild and temporary side effects like eye discomfort, eye irritation, and burning sensation in the eye. Consult your doctor if any side effects persist or worry you. If you experience any allergic reaction (rashes, itching, swelling, shortness of breath, etc.), you must seek immediate medical help.

Before using it, tell your doctor if you have an underlying disease or are taking medicines for any health condition. The medicines that are used externally usually do not get affected by other medicines, however, you should let your doctor know if you are taking any medicines to ensure safety. Ask your doctor for advice if you are pregnant or breastfeeding. While on the treatment, you should not touch or rub your eyes as this may aggravate the infection. Also, you can avoid or reduce screen time and use goggles when you out in the sun or in crowded or public areas. These steps may ensure faster recovery of the condition.

Uses of Phenosulf Eye Drop

Treatment of Bacterial eye infections

Benefits of Phenosulf Eye Drop

Treatment of Bacterial eye infections
Phenosulf Eye Drop is used to treat bacterial infections of the eyes such as conjunctivitis or pink eye. It stops the growth of bacteria causing infection and helps relieve pain, swelling, redness, itching, or irritation in the eyes. Use it 2-3 times a day for at least a week or as prescribed by the doctor. Your symptoms might improve after using Phenosulf Eye Drop. However, make sure to complete the full course of treatment. This will ensure that the infection is completely cured and prevent it from returning.

Side effects of Phenosulf 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 Phenosulf

Eye irritation
Burning sensation
Watery eyes

How to use Phenosulf 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 Phenosulf Eye Drop works

Phenosulf Eye Drop is a combination of five medicines: Sulphacetamide, Zinc Sulphate Monohydrate, Chlorpheniramine Maleate Boric Acid and Sodium Chloride. Sulphacetamide is an antibiotic. It prevents the bacteria that cause eye infections from producing folic acid, a nutrient required for bacterial replication. Zinc Sulphate Monohydrate and Boric Acid are antiseptics which treat bacterial infection in the eyes and relieve irritation. Chlorpheniramine Maleate is an antiallergic which blocks the action of certain chemical messengers responsible for red, itchy, watery eyes. Sodium Chloride is a purified salt solution. It cleanses the eye and reduces swelling.

Quick tips

Your doctor has prescribed Phenosulf Eye Drop to treat bacterial infections of the eye.
Do not skip any doses and finish the full course of treatment even if you feel better.
Apply pressure on the corner of the eye (close to the nose) for about 1 minute immediately after instilling the drop.
If you wear soft contact lenses, remove them before putting in these eye drops and wait at least 15 minutes before putting your lenses back in.
Wait for at least 5-10 minutes before delivering the next medication in the same eye to avoid dilution.
Burning sensation may occur for 1-2 mins. Notify your doctor if it persists for longer.

Safety advice

Alcohol

No interaction found/established

Pregnancy

CONSULT YOUR DOCTOR

Information regarding the use of Phenosulf Eye Drop during pregnancy is not available. Please consult your doctor.

Breast feeding

CONSULT YOUR DOCTOR

Information regarding the use of Phenosulf Eye Drop during breastfeeding is not available. Please consult your doctor.

Driving

UNSAFE

Phenosulf Eye Drop may cause blurring of your vision for a short time just after its use. Do not drive until your vision is clear.

Kidney

No interaction found/established

Liver

No interaction found/established

Frequently asked questions

What is Phenosulf Eye Drop used for?

Phenosulf Eye Drop is used to treat bacterial eye infections. It kills and prevents the growth of the bacteria that cause infection in the eyes. This way, it relieves the symptoms caused by the infection and speeds up the recovery.

Can Phenosulf Eye Drop be used for eye allergies?

Yes, Phenosulf Eye Drop relieves symptoms of allergic conjunctivitis, including redness, swelling, and discomfort.

Are there any serious side effects of Phenosulf Eye Drop?

Serious side effects of Phenosulf Eye Drop are rare, but prolonged burning, swelling, or worsening symptoms require medical attention.

What should I avoid during Phenosulf Eye Drop treatment?

During Phenosulf Eye Drop treatment, you should avoid touching or rubbing your eyes, exposure to strong allergens, and using contact lenses during severe infection.

When should I contact my doctor during Phenosulf Eye Drop treatment?

During Phenosulf Eye Drop treatment, if symptoms persist, or worsen, side effects are severe, or you have questions about safety, or interactions, contact your doctor.

Fact Box

Habit Forming

Therapeutic Class

OPHTHAL

References

User feedback

Patients taking Phenosulf Eye Drop

Thrice A Day

37%

Once A Day

29%

Twice A Day

24%

Four Times A Day

10%

What are you using Phenosulf Eye Drop for?

Infections

50%

Allergic conditions

25%

Others

25%

How much was the improvement?

Excellent

44%

Poor

33%

Average

22%

What were the side-effects while using Phenosulf Eye Drop?

No Side Effect

100%

How do you take Phenosulf Eye Drop?

With or without food

100%

Please rate Phenosulf Eye Drop on price

Average

67%

Expensive

33%

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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: Syntho Pharmaceuticals Pvt Ltd
Address: E-6, Talkatora Industrial Estate, Lucknow- 226011.

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Phenosulf Eye Drop. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's ℞ and the availability of this medicine.

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India

Lab tests offered by us

Why we need a prescription?

Provide right medicines

Prescriptions are complex documents. We proof read and recheck at various steps to provide you the right medication in the correct form and dose

In accordance with the law

Most medicines cannot be sold without a valid prescription, as per the Drugs and Cosmetics Act, 1940 and Rules, 1945

Phenosulf Eye Drop

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General Information

Contains

Marketer

Storage

Product introduction

Uses of Phenosulf Eye Drop

Benefits of Phenosulf Eye Drop

Side effects of Phenosulf Eye Drop

How to use Phenosulf Eye Drop

How Phenosulf Eye Drop works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Frequently asked questions

What is Phenosulf Eye Drop used for?

Can Phenosulf Eye Drop be used for eye allergies?

Are there any serious side effects of Phenosulf Eye Drop?

What should I avoid during Phenosulf Eye Drop treatment?

When should I contact my doctor during Phenosulf Eye Drop treatment?

Fact Box

Habit Forming

Therapeutic Class

References

User feedback

Patients taking Phenosulf Eye Drop

What are you using Phenosulf Eye Drop for?

How much was the improvement?

What were the side-effects while using Phenosulf Eye Drop?

How do you take Phenosulf Eye Drop?

Please rate Phenosulf Eye Drop on price

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

In case of any issues, contact us

Lab tests offered by us

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