ZABAK 0.25 mg/ml Drops

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Prescription review online

A doctor will review your case and decide whether a prescription is medically appropriate.

Talk to a doctor about this medicine

Talk to a doctor about this medicine

Discuss your symptoms and possible next steps in a quick online consultation.

Doctor
5.0(36)

Andrei Popov

General medicinePain medicine7 years of experience

Dr. Andrei Popov is a family physician with specialized training in the management of chronic pain. He provides video consultations for adults in Spain and across Europe: whether you have been living with pain for months that no one has been able to properly explain, or you need to resolve a health issue without waiting weeks for an appointment.

His approach is clear: to listen, organize your case, and provide you with a practical roadmap based on evidence-based medicine and adapted to your medical history and personal needs.

Pain: how he can help

  • Chronic pain (more than 3 months
  • Migraine and recurrent or high-intensity headaches
  •  Neck, lower back, back and joint pain
  •  Post-traumatic pain after injuries or surgeries
  •  Pain of neurological origin: neuralgia, neuropathic pain, fibromyalgia

General medicine

  • Frequent respiratory infections (cold, flu, persistent cough)
  • Hypertension, diabetes and metabolic disorders
  • Review of laboratory tests and MRI/CT reports (explained in clear language)
  • Preventive medicine and health monitoring
  • Second opinions and treatment adjustments (when clinically appropriate)

What the consultation is like
 Each session lasts up to 30 minutes. We review symptoms, medical history, medications and any tests you provide, and you finish the consultation with a clear treatment plan, defined next steps, and criteria to understand when follow-up may be needed. If warning signs are detected, he will clearly advise whether you need in-person care or urgent medical attention.

Book a video appointment
€86
This page is for general information. Consult a doctor for personal advice. Call emergency services if symptoms are severe.
About the medicine

How to use Zabak

Contents of the leaflet

  1. Package Leaflet: Information for the User
    1. Read the package leaflet carefully before using the medicine, as it contains important information for the patient.
    2. Package Leaflet Contents
  2. What is ZABAK and what is it used for
  3. Important information before using ZABAK
    1. When not to use ZABAK
    2. Warnings and precautions
    3. ZABAK and other medicines
    4. ZABAK with food, drink, and alcohol
    5. Pregnancy and breastfeeding
    6. Driving and using machines
  4. How to use ZABAK
    1. Using more than the recommended dose of ZABAK
    2. Missing a dose of ZABAK
  5. Possible side effects
    1. Common (occurring in less than 1 in 10 people):
    2. Uncommon (occurring in less than 1 in 100 people):
    3. Unknown (frequency cannot be estimated from the available data)
    4. Reporting side effects
  6. How to store ZABAK
  7. Package contents and other information
    1. What ZABAK contains
    2. What ZABAK looks like and contents of the pack
    3. Marketing authorization holder
    4. Manufacturer
    5. To obtain more detailed information, you should contact the representative of the marketing authorization holder:
    6. This medicinal product is authorized in the Member States of the European Economic Area under the following names:
    7. Date of last revision of the package leaflet: 06-10-2021

Package Leaflet: Information for the User

ZABAK, 0.25 mg/ml, eye drops, solution
Ketotifen

Read the package leaflet carefully before using the medicine, as it contains important information for the patient.

This medicine should always be used exactly as described in this package leaflet for the patient or as directed by a doctor, pharmacist, or nurse.

  • Keep this package leaflet, you may need to read it again.
  • If you need advice or further information, ask your pharmacist.
  • If you experience any side effects, including those not listed in this package leaflet, tell your doctor, pharmacist, or nurse. See section 4.
  • If after 7 days there is no improvement or you feel worse, you should contact your doctor (see section 2).

Package Leaflet Contents

  • 1. What is ZABAK and what is it used for
  • 2. Important information before using ZABAK
  • 3. How to use ZABAK
  • 4. Possible side effects
  • 5. How to store ZABAK
  • 6. Package contents and other information

1. What is ZABAK and what is it used for

ZABAK is an eye drop solution, preservative-free, containing ketotifen, which is an antiallergic agent.
ZABAK is used for the treatment of symptoms of seasonal allergic conjunctivitis.
The most common symptoms of seasonal allergic conjunctivitis are intense itching of both eyes, accompanied by redness, swelling, excessive tearing, conjunctival edema, and sensitivity to light. These symptoms are recurring and start with the beginning of the pollen season. Seasonal allergic conjunctivitis may also be associated with other symptoms of hay fever, such as rhinitis.
If after 7 days there is no improvement or you feel worse, you should contact your doctor (see section 2).

Doctor consultation

Not sure if this medicine is right for you?

Discuss your symptoms and treatment with a doctor online.

2. Important information before using ZABAK

When not to use ZABAK

  • if you are allergic (hypersensitive) to ketotifen (active substance) or any of the other ingredients of this medicine (listed in section 6).

Warnings and precautions

Before starting to use ZABAK, you should discuss it with your doctor, pharmacist, or nurse.
If after 7 days there is no improvement or you feel worse, you should contact your doctor.
The following objective and subjective symptoms do not usually occur in seasonal allergic conjunctivitis:

  • purulent discharge,
  • visual disturbances,
  • morning eyelid sticking, difficulty opening the eyes in the morning,
  • swelling of lymph nodes in the ear area,
  • persistent symptoms (persistence of symptoms),
  • unilateral symptoms. If any of the above symptoms occur, the patient may have another eye condition than seasonal allergic conjunctivitis. You should consult a doctor.

ZABAK and other medicines

If you need to use another eye medicine at the same time as ZABAK, you should wait at least 5 minutes between each administration.
You should tell your doctor or pharmacist about all medicines you are taking or have recently taken, as well as any medicines you plan to take.
This is especially important for medicines used to treat:

  • depression, anxiety, and sleep disorders,
  • allergies (e.g., antihistamines)

ZABAK with food, drink, and alcohol

  • the medicine may enhance the effects of alcohol

Pregnancy and breastfeeding

ZABAK should be avoided during pregnancy.
If you are pregnant, think you may be pregnant, or plan to have a child, you should consult your doctor or pharmacist before using this medicine.
ZABAK can be used during breastfeeding.

Driving and using machines

ZABAK may cause visual disturbances or drowsiness.
If you experience such symptoms after administration, you should wait until they resolve before driving or operating machinery.

3. How to use ZABAK

This medicine should always be used exactly as described in this package leaflet for the patient or as directed by a doctor or pharmacist. If you are unsure, you should consult your doctor or pharmacist.
Dosage
Adults, elderly, children over 3 years old
The recommended dose is 1 drop into the affected eye(s) twice a day (morning and evening).
Administration method
Do not inject, do not swallow.
The medicine is intended for administration into the eye (eye administration).
Before the first use, you shouldremove the first 5 drops.
Then, with each use of the product:
1.
Wash your hands thoroughly before using the product.
2.
To avoid contaminating the drops, do not touch the eye, eyelids, or other surfaces with the dropper tip.
3.
Instill 1 drop into the eye (eyes) while looking up and gently pulling down the lower eyelid.
Close the eyelid and gently press the inner corner of the eye with your index finger for 1-2 minutes. This will help prevent the medicine from spreading throughout the body.
After use, close the bottle.
If you feel that the effect of ZABAK is too strong or too weak, or if you experience any side effects, you should consult your doctor or pharmacist.
If after 7 days there is no improvement or you feel worse, you should contact your doctor (see section 2).

There is no risk if you accidentally swallow a few drops of ZABAK. Similarly, you should not worry if you accidentally administer more than one drop into the eye.

Missing a dose of ZABAK

You should instill the drop as soon as possible and then return to the recommended dosing schedule.
You should ensure that the drop gets into the eye. Do not use a double dose to make up for a missed dose.
If you have any further doubts about using this medicine, you should consult your doctor or pharmacist.

Medicine questions

Started taking the medicine and have questions?

Discuss your symptoms and treatment with a doctor online.

4. Possible side effects

Like all medicines, ZABAK can cause side effects, although not everybody gets them.
If you experience allergic reactions, including rash, face, lip, tongue, and/or
throat swelling, which may cause difficulty breathing or swallowing, or other serious
side effects, you should stop using ZABAK and contact your doctor or the Emergency Department of the nearest hospital immediately.
The following side effects have been reported:

Common (occurring in less than 1 in 10 people):

  • eye irritation or pain,
  • eye inflammation.

Uncommon (occurring in less than 1 in 100 people):

  • blurred vision,
  • dry eye syndrome,
  • eyelid irritation,
  • conjunctivitis (inflammation of the eye surface),
  • increased eye sensitivity to light,
  • visible bleeding in the sclera of the eye,
  • headache,
  • drowsiness,
  • rash (which may also be itchy),
  • erythema (itchy, red, burning rash),
  • dry mouth.

Unknown (frequency cannot be estimated from the available data)

  • allergic reaction (including face and eyelid swelling) and increased severity of existing allergic conditions, such as asthma or eczema
  • dizziness.

Reporting side effects

If you experience any side effects, including those not listed in this package leaflet, you should tell your doctor, pharmacist, or nurse. Side effects can be reported directly to the Department of Monitoring of Adverse Reactions to Medicinal Products, Office for Registration of Medicinal Products, Medical Devices, and Biocidal Products, Al. Jerozolimskie 181C, 02-222 Warsaw
Phone: +48 22 49 21 301
Fax: +48 22 49 21 309
Website: https://smz.ezdrowie.gov.pl
Side effects can also be reported to the marketing authorization holder.
By reporting side effects, you can help provide more information on the safety of this medicine.

5. How to store ZABAK

The medicine should be stored out of sight and reach of children.
Do not use this medicine after the expiry date stated on the carton and bottle after: EXP.
The expiry date refers to the last day of the month.
Shelf-life after first opening the bottle: 3 months.
Medicines should not be disposed of via wastewater or household waste. You should ask your pharmacist how to dispose of medicines no longer required. This will help protect the environment.

6. Package contents and other information

What ZABAK contains

  • The active substance is: ketotifen 0.25 mg/ml (as ketotifen hydrogen fumarate 0.345 mg/ml).
  • The other ingredients are: glycerol, sodium hydroxide (to adjust pH), water for injections.

What ZABAK looks like and contents of the pack

ZABAK is an eye drop solution, preservative-free, available in a multidose bottle (patented ABAK system) with a capacity of 5 ml (at least 150 drops). It is a colorless to light brown-yellow liquid.
The bottle is equipped with a 0.2-micron filter membrane, which protects the solution from microbial contamination during use.

Marketing authorization holder

LABORATOIRES THEA
12, rue Louis Blériot
63017 CLERMONT-FERRAND CEDEX 2
FRANCE

Manufacturer

EXCELVISION
rue de la Lombardière
07100 ANNONAY
FRANCE
FARMILA-THEA Farmaceutici S.p.A
Via E. Fermi, 50
20019 Settimo Milanese (MI)
ITALY
LABORATOIRES THEA
12, rue Louis Blériot
63017 CLERMONT-FERRAND CEDEX 2
FRANCE

To obtain more detailed information, you should contact the representative of the marketing authorization holder:

THEA Polska Sp. z o.o.
ul. Cicha 7
00-353 Warsaw
Phone: +48 22 642 87 77

This medicinal product is authorized in the Member States of the European Economic Area under the following names:

Austria
ZADITEN OPHTHA ABAK
Italy
ZADITEN OFTABAK
Bulgaria, Greece, Poland, Portugal, Romania
ZABAK
Denmark, France
ZALERG
Belgium, Luxembourg, Netherlands
ALTRIABAK

Date of last revision of the package leaflet: 06-10-2021

Online doctors for Zabak

Discuss questions about Zabak, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

Doctor
5.0(36)

Andrei Popov

General medicinePain medicine7 years of experience

Dr. Andrei Popov is a family physician with specialized training in the management of chronic pain. He provides video consultations for adults in Spain and across Europe: whether you have been living with pain for months that no one has been able to properly explain, or you need to resolve a health issue without waiting weeks for an appointment.

His approach is clear: to listen, organize your case, and provide you with a practical roadmap based on evidence-based medicine and adapted to your medical history and personal needs.

Pain: how he can help

  • Chronic pain (more than 3 months
  • Migraine and recurrent or high-intensity headaches
  •  Neck, lower back, back and joint pain
  •  Post-traumatic pain after injuries or surgeries
  •  Pain of neurological origin: neuralgia, neuropathic pain, fibromyalgia

General medicine

  • Frequent respiratory infections (cold, flu, persistent cough)
  • Hypertension, diabetes and metabolic disorders
  • Review of laboratory tests and MRI/CT reports (explained in clear language)
  • Preventive medicine and health monitoring
  • Second opinions and treatment adjustments (when clinically appropriate)

What the consultation is like
 Each session lasts up to 30 minutes. We review symptoms, medical history, medications and any tests you provide, and you finish the consultation with a clear treatment plan, defined next steps, and criteria to understand when follow-up may be needed. If warning signs are detected, he will clearly advise whether you need in-person care or urgent medical attention.

Book a video appointment
€86
Doctor
5.0(19)

Nuno Tavares Lopes

Family medicineGeneral medicine18 years of experience

Dr. Nuno Tavares Lopes is a licensed physician in Portugal with 17 years of experience in emergency medicine, family and general practice, and public health. He is the Director of Medical and Public Health Services at an international healthcare network and serves as an external consultant for the WHO and ECDC.

  • Emergency care: infections, fever, chest/abdominal pain, minor injuries, paediatric emergencies
  • Family medicine: hypertension, diabetes, cholesterol, chronic disease management
  • Travel medicine: pre-travel advice, vaccinations, fit-to-fly certificates, travel-related illnesses
  • Sexual and reproductive health: PrEP, STD prevention, counselling, treatment
  • Weight management and wellness: personalised weight loss programmes, lifestyle guidance
  • Skin and ENT issues: acne, eczema, allergies, rashes, sore throat, sinusitis
  • Pain management: acute and chronic pain, post-surgical care
  • Public health: prevention, health screenings, long-term monitoring
  • Sick leave (Baixa médica) connected to Segurança Social in Portugal
  • IMT medical certificates for driving licence exchange
Dr. Nuno Tavares Lopes provides medical support for patients using GLP-1 medications (Mounjaro, Wegovy, Ozempic, Rybelsus) as part of a weight loss strategy. He offers individualised treatment planning, regular follow-up, dose adjustment, and advice on combining medication with sustainable lifestyle changes. Consultations follow the medical standards accepted in Europe.

Dr. Lopes also provides interpretation of medical tests, follow-up care for complex patients, and multilingual support. Whether for urgent concerns or long-term care, he helps patients act with clarity and confidence.

Book a video appointment
€70
Doctor
0.0(0)

Hocine Lokchiri

General medicine21 years of experience

Dr. Hocine Lokchiri is a French consultant with over 20 years of experience in General and Emergency Medicine. He works with adults and children, helping patients with urgent symptoms, infections, sudden health changes and everyday medical concerns that require timely evaluation. His background includes clinical practice in France, Switzerland and the United Arab Emirates, which allows him to navigate different healthcare systems and manage a wide range of conditions with confidence. Patients value his calm, structured approach, clear explanations and evidence-based decision-making.

Online consultations with Dr. Lokchiri are suitable for many situations when someone needs quick medical guidance, reassurance or a clear next step. Common reasons for booking include:

  • fever, chills, fatigue and viral symptoms
  • cough, sore throat, nasal congestion, breathing discomfort
  • bronchitis and mild asthma flare-ups
  • nausea, diarrhoea, abdominal pain, digestive infections
  • rashes, allergic reactions, redness, insect bites
  • muscle or joint pain, mild injuries, sprains
  • headache, dizziness, migraine symptoms
  • stress-related symptoms, sleep disturbances
  • questions about test results and treatment plans
  • management of chronic conditions in stable phases
Many patients reach out when symptoms appear suddenly and cause concern, when a child becomes unwell unexpectedly, when a rash changes or spreads, or when it’s unclear whether an in-person examination is necessary. His emergency medicine background is particularly valuable online, helping patients understand risk levels, identify warning signs and choose safe next steps.

Some situations are not suitable for online care. If a patient has loss of consciousness, severe chest pain, uncontrolled bleeding, seizures, major trauma or symptoms suggesting a stroke or heart attack, he will advise seeking immediate local emergency services. This improves safety and ensures patients receive the right level of care.

Dr. Lokchiri’s professional training includes:

  • Advanced Trauma Life Support (ATLS)
  • Basic and Advanced Cardiac Life Support (BLS/ACLS)
  • Pediatric Advanced Life Support (PALS)
  • Prehospital Trauma Life Support (PHTLS)
  • eFAST and critical care transthoracic echocardiography
  • aviation medicine
He is an active member of several professional organisations, including the French Society of Emergency Medicine (SFMU), the French Association for Emergency Physicians (AMUF) and the Swiss Society of Emergency and Rescue Medicine (SGNOR). In consultations, he works with clarity and precision, helping patients understand their symptoms, possible risks and the safest treatment options.
Book a video appointment
€64
Doctor
0.0(0)

Muhammad Tayyab Altaf

General medicine3 years of experience

Dr. Muhammad Tayyab Altaf is a primary care physician with extensive international experience, offering online consultations for adults and children. His background includes clinical practice in Policlinico San Matteo Hospital Pavia in Italy, Mount Sinai Hospital in New York, United States and other healthcare settings, allowing him to manage a wide range of acute and chronic medical conditions with confidence and clarity.

His clinical expertise spans multi-system conditions, preventive care and long-term management of chronic diseases. Dr. Altaf combines hands-on experience with a strong research background in both medical and surgical fields, enabling him to provide accurate assessments and structured, evidence-based treatment plans. Patients value his ability to explain diagnoses clearly, outline next steps and support them in making informed healthcare decisions.

Online consultations with Dr. Altaf are suitable for many everyday and acute situations where a timely medical opinion can help determine the safest next steps. He evaluates and treats conditions affecting the cardiovascular, respiratory, gastrointestinal, neurological, haematological and endocrine systems. Common examples include:

  • hypertension and other blood pressure issues
  • ischaemic heart disease and angina
  • asthma, COPD and emphysema
  • pneumonia and lung fibrosis
  • gastroenteritis and digestive infections
  • liver conditions, including alcohol-related disease
  • epilepsy, seizures and post-stroke symptoms
  • dementia and cognitive decline
  • anaemia and other haematological changes
  • diabetes, thyroid disorders and pituitary disease
Many patients reach out when they experience new or worsening symptoms, fluctuations in blood pressure, non-severe chest discomfort, breathing symptoms, digestive issues, suspected infections, chronic fatigue or concerns that affect daily life. He also helps patients understand test results, adjust existing treatment plans and navigate long-term health strategies safely and effectively.

When clinically appropriate, Dr. Altaf can also provide health and fitness certificates, including documentation required for physical activity, sports participation or gym use, based on the patient’s health status and medical indications.

Some conditions are not suitable for online care. Severe chest pain, loss of consciousness, uncontrolled bleeding, seizures, major trauma or symptoms suggesting a stroke or heart attack require immediate attention from local emergency services. Dr. Altaf prioritises patient safety and will guide you accordingly if your situation needs urgent in-person care.

In all consultations, Dr. Muhammad Tayyab Altaf focuses on clear communication, accurate diagnosis and patient-centred decision-making. His approach ensures that individuals and families feel informed, supported and confident in their next steps, no matter where they are.

Book a video appointment
€71

Get Zabak Prescription Online

1

Fill in a 2-min form

Tell us your symptoms, history, and what medicine you're requesting.

2

Pick a doctor or let us assign

Choose a specialist or we'll match you with the next available doctor.

3

Doctor reviews your case

Usually within 30 minutes. They may ask follow-up questions via chat.

4

Collect from any pharmacy

Electronic prescription sent to your email — valid across Spain.

Frequently Asked Questions

Is a prescription required for Zabak?

Zabak does not require a prescription in Poland. You can check with a doctor online whether this medicine may be appropriate for your situation.

What is the active substance in Zabak?

The active ingredient in Zabak is ketotifen. This information helps identify medicines with the same composition but different brand names.

Who manufactures Zabak?

Zabak is manufactured by Excelvision Farmila-Thea Farmaceutici S.p.A. Laboratoires Thea. Pharmacy brands and packaging may differ depending on the distributor.

Which doctors can assess the use of Zabak online?

Doctors such as Family doctors, Psychiatrists, Dermatologists, Cardiologists, Endocrinologists, Gastroenterologists, Pulmonologists, Nephrologists, Rheumatologists, Hematologists, Infectious disease physicians, Allergists, Geriatricians, Paediatricians, Oncologists may assess whether Zabak is appropriate, depending on your situation and local regulations. You can book an online consultation to discuss your symptoms and possible next steps.

How to buy Zabak in Spain?

Spain has a well-developed healthcare infrastructure across major cities such as Madrid, Barcelona, Valencia, and Seville. Pharmacies are widely available and operate under strict regulations, ensuring access to prescribed medications.

You can buy Zabak in Madrid, Barcelona, Seville, or Valencia at any local pharmacy with a valid prescription.

To obtain a prescription, you can use Oladoctor:

What are the alternatives to Zabak?

Other medicines with the same active substance (ketotifen) include Ketotifen Stulln, Zabak, Allergo-comod. These may have different brand names or formulations but contain the same therapeutic ingredient. Always consult a doctor before switching or starting a new medicine.

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