Can I stop Mastifen 1mg Tablet suddenly?

You can stop using Mastifen 1mg Tablet if prescribed for short-term allergies associated with nasal cavity or eyes. But if Mastifen 1mg Tablet is used for asthma or chronic allergies, symptoms may return on stopping abruptly. Consult your doctor before stopping.

MASTIFEN S TABLET

Ketotifen (1mg)

Ketotifen (1mg)Salt

Shop Mastifen S Tablet 10'S for affordable price online on Netmeds. Know Mastifen S Tablet 10'S uses, price, dosage, precautions, warnings and expert advice. Buy Genuine products with Fast Doorstep Delivery.

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SALT CATEGORY: GENERAL

4/7 pharmacies priced

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Safety Notice

Never switch or substitute prescribed medications without consulting your treating physician. Equivalent products may differ in excipients, release profiles, or clinical suitability.

KETASMA TABLET

SUN PHARMA

From

₹87.61

medicationDosage & Packaging Details

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Dosage Form

Tablet

Manufacturer

East West Pharmaceuticals Pvt Ltd

Administration

Oral Route

Prescription

prescription

action class: Mast Cell Stabilizershabit forming: Notherapeutic class: RESPIRATORY

medical_informationMedicine & Clinical Information

check_circleUses & Indications

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Asthma
Allergic eye disease

lightbulbExpert Advice & Quick Tips

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arrow_rightMastifen 1mg Tablet can cause drowsiness or dizziness in some individuals. Avoid driving or operating heavy machinery until you know how it affects you.
arrow_rightLong-term use of Mastifen 1mg Tablet may lead to increased appetite and weight gain, so maintain a balanced diet and active lifestyle.
arrow_rightMastifen 1mg Tablet stabilizes mast cells, reducing eye itching, redness, and irritation caused by allergies. However, it does not treat infections, so avoid using it for bacterial or viral eye issues.

scienceMechanism of Action (How it works)

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Mastifen 1mg Tablet works by blocking the release of certain chemical messengers (histamine, leukotrienes) that may cause inflammation, spasms of muscles of the airways, and other symptoms of asthma and eye allergies.

infoDirections for Use (How to Use)

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Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Mastifen 1mg Tablet may be taken with or without food.

historyMissed Dose Instructions

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If you miss a dose of Mastifen 1mg Tablet, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

warningSide Effects

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Drowsiness
Headache
Nausea
Vomiting
Diarrhea
Fatigue
Drymouth
Dizziness

helpFrequently Asked Questions

What is Mastifen 1mg Tablet used for?

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Mastifen 1mg Tablet is used alongside other medications to help prevent mild asthma symptoms in children aged above 5 years caused by allergies. It is not for emergency asthma attacks and won't work during sudden shortness of breath. It may also be used to manage symptoms of allergic conjunctivitis.

What are the serious side effects of Mastifen 1mg Tablet I should watch out for?

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The serious but rare side effects of Mastifen 1mg Tablet include seizures (fits), liver problems (yellowing of skin or eyes, dark urine), bladder issues (painful urination, frequent night urination), and severe skin reactions like rashes or blistering. You should seek medical help immediately if these occur.

How long does Mastifen 1mg Tablet take to work?

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The exact time Mastifen 1mg Tablet takes to show results is not known and is also based on the condition you are being treated for. For short-term relief such as itching, sneezing, etc., Mastifen 1mg Tablet may start working within hours. However, for full preventive effects, such as for asthma or chronic allergies, it can take a few weeks to months of consistent use.

Can Mastifen 1mg Tablet make me sleepy?

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Yes, sedation or drowsiness is common, especially when first starting treatment that may cause sleepiness. Avoid driving or operating heavy machinery until you know how it affects you.

Is Mastifen 1mg Tablet safe for long-term use?

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Mastifen 1mg Tablet is safe for long-term use under medical supervision, especially for chronic allergies or asthma prevention.

Editorial & Medical Review

The information on this page has been compiled and reviewed by healthcare professionals and data editors to ensure accuracy. It is for informational and price-comparison purposes only and should not replace professional medical advice.

Written By

MediSaathi Editorial Team

Last Updated

June 21, 2026

Regularly reviewed

Data Sources & Citations

Central Drugs Standard Control Organisation (CDSCO) — Government of IndiaView Source
National Pharmaceutical Pricing Authority (NPPA) — Government of IndiaView Source
Jan Aushadhi Scheme — Pradhan Mantri Bhartiya Janaushadhi Pariyojana — Government of IndiaView Source

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Is MASTIFEN S TABLET available at a cheaper price in India?

Price Summary for MASTIFEN S TABLET

MASTIFEN S TABLET

7 pharmacies checked

vaccinesMost Viewed Alternatives

Doctor Consultation Required

medical_informationMedicine & Clinical Information

helpFrequently Asked Questions

Editorial & Medical Review

Data Sources & Citations