Bg pattern

ZADITEN 0.25 mg/ml EYE DROPS SOLUTION

Prescription review online

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.

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 ZADITEN 0.25 mg/ml EYE DROPS SOLUTION

Translated with AI

This page provides general information and does not replace a doctor’s consultation. Always consult a doctor before taking any medication. Seek urgent medical care if symptoms are severe.

Show translation

Introducción

Prospecto : información para el usuario

Zaditen 0,25mg/ml colirio en solución

Ketotifeno

Lea todo el prospecto detenidamente antes de empezar a usar este medicamento,porque contiene información importante para usted.

  • Conserve este prospecto, ya que puede tener que volver a leerlo.
  • Si tiene alguna duda, consulte a su médico, farmacéutico o enfermero.
  • Este medicamento se le ha recetado solamente a usted y no debe dárselo a otras personas, aunque tengan los mismos síntomas que usted, ya que puede perjudicarles.

Si experimenta efectos adversos, consulte a su médico, farmacéutico o enfermero, incluso si se trata de efectos adversos que no aparecen en este prospecto. Ver sección 4.

Contenido del prospecto:

  1. Qué es Zaditen y para qué se utiliza
  2. Qué necesita saber antes de empezar a usar Zaditen
  3. Cómo usar Zaditen
  4. Posibles efectos adversos
  5. Conservación de Zaditen
  6. Contenido del envase e información adicional

1. Qué es Zaditen y para qué se utiliza

Zaditen contiene el principio activo ketotifeno, que es una sustancia antialérgica. Zaditen se usa para tratar los síntomas oculares de la conjuntivitis alérgica estacional.

Debe consultar a un médico si empeora o si no mejora.

Doctor consultation

Not sure if this medicine is right for you?

Discuss your symptoms and treatment with a doctor online.

2. Qué necesita saber antes de empezar a usar Zaditen

No use Zaditen

Si es alérgico (hipersensible) al ketotifeno o a cualquiera de los demás componentes de este medicamento (incluidos en la sección 6).

Advertencias y precauciones

Consulte a su médico, farmacéutico o enfermero antes de empezar a usar Zaditen.

Uso de Zaditen con otros medicamentos

Si necesita aplicarse en los ojos cualquier otro medicamento además de Zaditen, espere como mínimo 5 minutos entre la aplicación de cada producto.

Comunique a su médico o farmacéutico si está utilizando, ha utilizado recientemente o podría tener que utilizar cualquier otro medicamento. Esto es especialmente importante en el caso de medicamentos que se usan para tratar:

  • depresión, ansiedad y trastornos del sueño
  • alergia (por ejemplo antihistamínicos)

Uso de Zaditen con alimentos, bebidas y alcohol

Zaditen puede aumentar los efectos del alcohol.

Embarazo y lactancia

Si está embarazada o en periodo de lactancia, cree que podría estar embarazada o tiene intención de quedarse embarazada, consulte a su médico o farmacéutico antes de utilizar este medicamento.

Zaditen se puede usar durante la lactancia.

Conducción y uso de máquinas

Zaditen puede causar visión borrosa o somnolencia. No conduzca ni utilice máquinas hasta que hayan desaparecido estos efectos.

Zaditen contiene cloruro de benzalconio.

Este medicamento contiene 2,6 microgramos de cloruro de benzalconio en cada gota.

El cloruro de benzalconio se puede absorber por las lentes de contacto blandas y puede alterar el color de las lentes de contacto. Retirar las lentes de contacto antes de usar este medicamento y esperar 15 minutos antes de volver a colocarlas.

El cloruro de benzalconio puede causar irritación ocular, especialmente si padece de ojo seco u otras enfermedades de la córnea (capa transparente de la zona frontal del ojo). Consulte a su médico si siente una sensación extraña, escozor o dolor en el ojo después de usar este medicamento.

3. Cómo usar Zaditen

Siga exactamente las instrucciones de administración de este medicamento indicadas por su médico o farmacéutico. En caso de duda, consulte de nuevo a su médico o farmacéutico si tiene dudas.

La dosis recomendada en adultos, ancianos y niños (de 3 años o más), es de una gota en el ojo (u ojos) afectado(s) dos veces al día (por la mañana y por la noche).

Instrucciones de uso

  1. Lávese las manos.
  2. Abra el frasco. No toque la punta del cuentagotas tras la apertura del frasco.
  3. Incline la cabeza hacia atrás (Fig. 1).
  4. Tire del párpado inferior hacia abajo con el dedo y sujete el frasco con la otra mano. Apriete el frasco de forma que caiga una gota en el ojo (Fig. 2).
  5. Cierre los ojos y presione con la punta de un dedo el ángulo interior del ojo durante 1-2 minutos aproximadamente. Esto previene que la gota baje por el conducto lagrimal hasta la garganta y la mayor parte de la gota permanecerá en el ojo (Fig. 3). Si es necesario, repita los pasos 3 al 5 con el otro ojo.
  6. Cierre el frasco después de su uso.

Perfil de cabeza mostrando punto de inyección, mano sosteniendo dispositivo aplicador y rostro con ojos cerrados durante aplicación

Fig. 1 Fig. 2 Fig. 3

Si tiene cualquier otra duda sobre el uso de este producto, pregunte a su médico, farmacéutico o enfermero.

Si usa más Zaditen del que debe

No hay peligro alguno si toma Zaditen por vía oral accidentalmente, ni tampoco si más de una gota cae accidentalmente en su ojo. En caso de duda, consulte con su médico. Asimismo, en caso de sobredosis o ingestión accidental, puede usted consultar al Servicio de Información Toxicológica Tel.: 91 562 04 20.

Si olvidó usar Zaditen

Si olvidó usar Zaditen debe aplicarse el tratamiento tan pronto se acuerde. Después vuelva a su régimen habitual de tratamiento.

No tome una dosis doble para compensar las dosis olvidadas.

Medicine questions

Started taking the medicine and have questions?

Discuss your symptoms and treatment with a doctor online.

4. Posibles efectos adversos

Al igual que todos los medicamentos, este medicamento puede producir efectos adversos, aunque no todas las personas los sufran.

Se han notificado los siguientes efectos adversos.

Frecuentes(afectan a menos de 1 de cada 10pacientes)

  • irritación en el ojo o dolor en el ojo
  • inflamación en el ojo

Poco frecuentes(afectan a menos de1 de cada 100 pacientes)

  • visión borrosa cuando se aplican las gotas en el ojo
  • sequedad en el ojo
  • alteración en el párpado
  • conjuntivitis
  • sensibilidad aumentada de los ojos a la luz
  • hemorragia visible en la zona blanca del ojo
  • dolor de cabeza
  • somnolencia
  • erupción (que puede también producir picor)
  • eczema (picor, enrojecimiento, erupción con escozor)
  • sequedad de boca
  • reacción alérgica (incluyendo hinchazón de la cara y los párpados) e incremento de la severidad de una condición alérgica ya existente como asma y eczema

Comunicación de efectos adversos

Si experimenta cualquier tipo de efecto adverso, consulte a su médico, farmacéutico o enfermero, incluso si se trata de posibles efectos adversos que no aparecen en este prospecto. También puede comunicarlos directamente a través del Sistema Español de Farmacovigilancia de Medicamentos de Uso Humano: www.notificaRAM.es. Mediante la comunicación de efectos adversos usted puede contribuir a proporcionar más información sobre la seguridad de este medicamento.

5. Conservación de Zaditen

Mantener fuera de la vista y del alcance de los niños.

No conservar a temperatura superior a 25°C.

El frasco en sí, no es estéril, pero su contenido es estéril hasta que se abre el frasco.

Tras la primera apertura del frasco, el colirio sólo se puede conservar durante 4 semanas.

No utilice este medicamento después de la fecha de caducidad que aparece en el envase después de CAD. La fecha de caducidad es el último día del mes que se indica.

Los medicamentos no se deben tirar por los desagües ni a la basura. Deposite los envases y los medicamentos que no necesita en el Punto SIGRE de la farmacia. En caso de duda pregunte a su farmacéutico cómo deshacerse de los envases y de los medicamentos que no necesita. De esta forma, ayudará a proteger el medio ambiente.

6. Contenido del envase e información adicional

Composición de Zaditen

El principio activo es ketotifeno (en forma de fumarato). Cada ml contiene 0,345 mg de ketotifeno fumarato, que corresponde a 0,25 mg de ketotifeno.

Los demás componentes son glicerol (E422), hidróxido de sodio (E524), agua para inyectables y cloruro de benzalconio.

Aspecto del producto y contenido del envase

Zaditen es una solución transparente, de incolora a amarillo pálido. La solución se presenta en un envase que contiene un frasco de 5 ml.

Titular de la autorización de comercialización

Laboratoires THEA – 12, rue Louis Blériot – 63017 Clermont-Ferrand Cedex 2 – Francia

Responsable de la fabricación

EXCELVISION – 27 rue de la Lombardière – 07100 Annonay - Francia.

Representante local

Laboratorios THEA S.A. – Pg. Sant Joan 91, 08009 Barcelona

Este medicamento está autorizado en los estados miembros del Espacio Económico Europeo con los siguientes nombres:

Austria Zaditen 0,025% - Augentropfen

Dinamarca Zaditen

Finlandia Zaditen 0,25 mg/ml silmätipat, liuos

Francia Zalergonium, 0,25 mg/ml, collyre en solution

Alemania Zaditen ophtha 0,25 mg/ml Augentropfen

Grecia Zaditor οfθaλµικ?ς staγ?νeς

Islandia Zaditen

Irlanda Zaditen 0.25mg/ml, eye drops, solution

Luxemburgo Zaditen 0,25 mg/ml, collyre en solution

Noruega Zaditen

Portugal Zaditen 0,25 mg/ml colírio, solução

España Zaditen 0,25 mg/ml colirio en solución

Suecia Zaditen 0,25 mg/ml, ögondroppar, lösning

Holanda Zaditen 0,25 mg/ml, oogdruppels, oplossing

Reino Unido Zaditen 0.25 mg/ml, eye drops, solution

Fecha de la última revisión de este prospecto:10/2020

La información detallada y actualizada de este medicamento está disponible en la página Web de la Agencia Española de Medicamentos y Productos Sanitarios (AEMPS) http://www.aemps.es/

Online doctors for ZADITEN 0.25 mg/ml EYE DROPS SOLUTION

Discuss questions about ZADITEN 0.25 mg/ml EYE DROPS SOLUTION, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

0.0 (0)
Doctor

Hocine Lokchiri

General medicine 21 years exp.

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.
Camera Book a video appointment
€58
5.0 (3)
Doctor

Tomasz Grzelewski

Dermatology 21 years exp.

Dr Tomasz Grzelewski is an MD, PhD specialist in allergy, paediatrics, general practice and sports medicine, with a clinical focus on dermatology, endocrinology, allergology and sports-related health. He has more than 20 years of clinical experience and completed his medical training at the Medical University of Łódź, where he defended his PhD thesis with distinction. His doctoral research was recognised by the Polish Society of Allergology for its innovative contribution to the field. Throughout his career, he has gained extensive expertise in diagnosing and managing a wide range of allergic and paediatric conditions, including modern allergen desensitisation techniques.

For five years, Dr Grzelewski served as the Head of two paediatric departments in Poland, managing complex clinical cases and leading multidisciplinary teams. He also worked in medical centres in the United Kingdom, gaining experience across both primary care and specialist environments. With over a decade of telemedicine experience, he has provided online consultations across Europe and is valued for his clear, structured and evidence-based medical guidance.

Dr Grzelewski is actively involved in clinical programmes focused on modern anti-allergic therapies. As a Principal Investigator, he leads research projects on sublingual and oral allergen desensitisation, supporting evidence-based progress in allergy treatment for both children and adults.

In addition to his background in allergology and paediatrics, he completed dermatology studies through the Cambridge Education Group (Royal College of Physicians of Ireland) and a Clinical Endocrinology course at Harvard Medical School. This advanced training enhances his ability to manage skin manifestations of allergies, atopic conditions, urticaria, endocrine-related symptoms and complex immunological reactions.

Patients commonly seek his care for:

  • seasonal and perennial allergies
  • allergic rhinitis and chronic nasal symptoms
  • asthma and breathing difficulties
  • food and medication allergies
  • urticaria, atopic dermatitis and skin reactions
  • recurrent infections in children
  • sports-related health questions
  • general family medicine concerns
Dr Tomasz Grzelewski is known for his clear communication style, structured medical approach and ability to explain treatment options in a concise and accessible way. His multidisciplinary background across allergy, paediatrics, dermatology and endocrinology allows him to provide safe, up-to-date and comprehensive care for patients of all ages.
Camera Book a video appointment
€80
5.0 (140)
Doctor

Yevgen Yakovenko

General surgery 12 years exp.

Dr. Yevgen Yakovenko is a licensed surgeon and general practitioner in Spain and Germany. He specialises in general, paediatric, and oncological surgery, internal medicine, and pain management. He offers online consultations for adults and children, combining surgical precision with therapeutic support. Dr Yakovenko works with patients across different countries and provides care in Ukrainian, Russian, English, and Spanish.

Areas of medical expertise:

  • Acute and chronic pain: headaches, muscle and joint pain, back pain, abdominal pain, postoperative pain. Identifying the cause, selecting treatment, and creating a care plan.
  • Internal medicine: heart, lungs, gastrointestinal tract, urinary system. Management of chronic conditions, symptom control, second opinions.
  • Pre- and postoperative care: risk assessment, decision-making support, follow-up after surgery, rehabilitation strategies.
  • General and paediatric surgery: hernias, appendicitis, congenital conditions, both planned and urgent surgeries.
  • Injuries and trauma: bruises, fractures, sprains, soft tissue damage, wound care, dressing, referral when in-person care is required.
  • Oncological surgery: diagnosis review, treatment planning, and long-term follow-up.
  • Obesity treatment and weight management: a medical approach to weight loss, including assessment of underlying causes, evaluation of comorbidities, development of a personalised plan (nutrition, physical activity, pharmacotherapy if needed), and ongoing progress monitoring.
  • Imaging interpretation: analysis of ultrasound, CT, MRI, and X-ray results, surgical planning based on imaging data.
  • Second opinions and medical navigation: clarifying diagnoses, reviewing current treatment plans, helping patients choose the best course of action.

Experience and qualifications:

  • 12+ years of clinical experience in university hospitals in Germany and Spain.
  • International education: Ukraine – Germany – Spain.
  • Member of the German Society of Surgeons (BDC).
  • Certified in radiological diagnostics and robotic surgery.
  • Active participant in international medical conferences and research.

Dr Yakovenko explains complex topics in a clear, accessible way. He works collaboratively with patients to analyse health issues and make evidence-based decisions. His approach is grounded in clinical excellence, scientific accuracy, and respect for each individual.

If you are unsure about a diagnosis, preparing for surgery, or want to discuss your test results – Dr Yakovenko will help you evaluate your options and move forward with confidence.

Camera Book a video appointment
€50
5.0 (29)
Doctor

Anna Biriukova

General medicine 6 years exp.

Dr Anna Biriukova is an internal medicine doctor with clinical experience in cardiology, endocrinology, and gastroenterology. She provides online consultations for adults, offering expert medical support for heart health, hormonal balance, digestive issues, and general internal medicine.

Cardiology – Diagnosis and treatment of:

  • High blood pressure, blood pressure fluctuations, and cardiovascular risk prevention.
  • Chest pain, shortness of breath, arrhythmias (tachycardia, bradycardia, palpitations).
  • Leg swelling, chronic fatigue, reduced exercise tolerance.
  • EKG interpretation, lipid profile evaluation, cardiovascular risk assessment (heart attack, stroke).
  • Post-COVID-19 cardiac monitoring and care.
Endocrinology – Diabetes, thyroid, metabolism:
  • Diagnosis and management of type 1 and type 2 diabetes, and prediabetes.
  • Individual treatment plans including oral medications and insulin therapy.
  • GLP-1 therapy– modern pharmacological treatment for weight management and diabetes control, including drug selection, monitoring, and safety follow-up.
  • Thyroid disorders – hypothyroidism, hyperthyroidism, autoimmune thyroid diseases (Hashimoto’s, Graves’ disease).
  • Metabolic syndrome – obesity, lipid disorders, insulin resistance.
Gastroenterology – Digestive health:
  • Abdominal pain, nausea, heartburn, gastroesophageal reflux (GERD).
  • Stomach and intestinal conditions: gastritis, irritable bowel syndrome (IBS), indigestion.
  • Management of chronic digestive disorders and interpretation of tests (endoscopy, ultrasound, labs).
General internal medicine and preventive care:
  • Respiratory infections – cough, colds, bronchitis.
  • Lab test analysis, therapy adjustments, medication management.
  • Adult vaccinations – planning, contraindications assessment.
  • Cancer prevention – screening strategies and risk assessment.
  • Holistic approach – symptom relief, complication prevention, and quality of life improvement.
Dr Biriukova combines internal medicine with specialist insight, offering clear explanations, personalised treatment plans, and comprehensive care tailored to each patient.
Camera Book a video appointment
€60

Frequently Asked Questions

Is a prescription required for ZADITEN 0.25 mg/ml EYE DROPS SOLUTION?
ZADITEN 0.25 mg/ml EYE DROPS SOLUTION requires a prescription in Spain. You can check with a doctor online whether this medicine may be appropriate for your situation.
What is the active substance in ZADITEN 0.25 mg/ml EYE DROPS SOLUTION?
The active ingredient in ZADITEN 0.25 mg/ml EYE DROPS SOLUTION is ketotifen. This information helps identify medicines with the same composition but different brand names.
Who manufactures ZADITEN 0.25 mg/ml EYE DROPS SOLUTION?
ZADITEN 0.25 mg/ml EYE DROPS SOLUTION is manufactured by Laboratoires Thea. Pharmacy brands and packaging may differ depending on the distributor.
Which doctors can assess the use of ZADITEN 0.25 mg/ml EYE DROPS SOLUTION 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 ZADITEN 0.25 mg/ml EYE DROPS SOLUTION is appropriate, depending on your situation and local regulations. You can book an online consultation to discuss your symptoms and possible next steps.
What are the alternatives to ZADITEN 0.25 mg/ml EYE DROPS SOLUTION?
Other medicines with the same active substance (ketotifen) include BENTIFEN 0.25mg/ml EYE DROPS SOLUTION, KETISAL 0.25 mg/ml EYE DROPS SOLUTION, KETOBRILL 0.25 mg/ml EYE DROPS IN SINGLE-DOSE CONTAINERS. 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.
bg-pattern-dark

Stay informed about Oladoctor

News about new services, product updates and useful information for patients.

Follow us on social media