Zatofen Tablet Side Effects in Pakistan

Zatofen Tablet side effects — a complete guide. From common effects to serious warnings — everything you need to know is on this page.

Compiled by the PakVita Editorial Team · AI-assisted drafting with editorial review · Sourced from DRAP, WHO, BNF · Last updated: 2026-04-07

Side Effects

Quick Answer

Common side effects of Zatofen Tablet include drowsiness and weight gain. Serious effects such as severe dizziness or headache require immediate medical attention. Most patients tolerate Zatofen Tablet well at the correct dose. Contact your doctor if any side effect persists or worsens.

Side Effects at a Glance

Common

Drowsiness
Weight gain
Dry mouth

Serious — See a Doctor

Severe dizziness or headache
Nausea and vomiting
Breathing issue

When to See a Doctor Immediately

Severe dizziness or headache
Nausea and vomiting
Difficulty breathing

Zatofen Tablet Side Effects (Nuksanat)

Zatofen Tablet (Ketotifen) is generally safe when taken at the correct dose. However, like all medicines, it can cause side effects in some patients.

Common Side Effects (Aam Nuksanat)

Drowsiness
Weight gain
Dry mouth

These side effects are usually mild. If they continue, inform your doctor.

Serious Side Effects (Sanjeedah Nuksanat)

Severe dizziness or headache — see a doctor immediately
Nausea and vomiting — see a doctor immediately
Breathing issue — see a doctor immediately

When to See a Doctor (Kab Doctor Se Milna Zaroori Hai)

Severe dizziness or headache
Nausea and vomiting
Difficulty breathing

Warnings and Precautions (Ihtiyat)

Avoid using Zatofen Tablet if you are allergic to ketotifen or other antihistamines.
Do not use during pregnancy without doctor's advice.

Side Effects Summary Table

Type	Side Effect	Action
Common	Drowsiness	Monitor / inform doctor
Common	Weight gain	Monitor / inform doctor
Common	Dry mouth	Monitor / inform doctor
Serious	Severe dizziness or headache	See a doctor immediately
Serious	Nausea and vomiting	See a doctor immediately

Reporting Side Effects

If you notice any unexpected side effect, report it on the DRAP pharmacovigilance portal: https://www.dra.gov.pk/pharmacovigilance

The information in this guide is for educational purposes only. If you notice any side effect, contact your doctor or pharmacist.

Frequently Asked Questions

What are the most common side effects of Zatofen Tablet?

The most commonly reported side effects of Zatofen Tablet include drowsiness and weight gain. These are usually mild and go away on their own. Inform your doctor if they persist.

Can Zatofen Tablet cause allergic reactions?

Yes, like all medicines, Zatofen Tablet can cause allergic reactions in some people. Signs include rash, itching, swelling, or difficulty breathing. Stop use and seek medical help immediately if this happens.

Is Zatofen Tablet safe to take for a long time?

Long-term safety depends on the condition and the patient. Your doctor will monitor for any signs of severe dizziness or headache if continued use is needed.

What should I do if I experience side effects from Zatofen Tablet?

For mild side effects, inform your pharmacist. For serious effects such as severe dizziness or headache, stop the medicine and contact your doctor immediately or go to the nearest hospital.

Does Zatofen Tablet affect the liver or kidneys?

Zatofen Tablet may require dose adjustment in patients with liver or kidney impairment. Your doctor will advise based on your test results and overall health condition.

Brand alternatives, same-class options, and other medicines used for the same conditions as Zatofen Tablet.

Brand alternatives

Other Ketotifen brands available in Pakistan.

All brands →

Zatofen Syrup
Ketotifen
Novartis Pharma (Pakistan) Ltd.Rx

Other antihistamines (allergy medicine)

Sibling medicines in the Antihistamines (Allergy Medicine) class.

All in class →

Used for the same conditions

Other medicines commonly used for allergies (hay fever, skin) and overlapping conditions.

Allergies (Hay Fever, Skin) hub →

Sources

DRAP Registered Products Database — Drug Regulatory Authority of Pakistan
WHO Model List of Essential Medicines, 23rd ed. (2023) — World Health Organization
British National Formulary (BNF) — BMJ Group & Pharmaceutical Press

Medical disclaimer

This page is for educational use only and does not replace professional medical advice. Always confirm diagnosis, dose, and interactions with a qualified doctor or pharmacist before starting or changing any medicine.