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MIZOLEN 10 mg MODIFIED-RELEASE TABLETS

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About the medicine

How to use MIZOLEN 10 mg MODIFIED-RELEASE TABLETS

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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.

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Introduction

Package Leaflet: Information for the User

Mizolen 10 mg Modified-Release Tablets

Mizolastine

Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.

  • Keep this leaflet. You may need to read it again.
  • If you have any further questions, ask your doctor or pharmacist.
  • This medicine has been prescribed for you only. Do not pass it on to others. It may harm them, even if their signs of illness are the same as yours.
  • If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. See section 4.

Contents of the pack

  1. What Mizolen is and what it is used for
  2. What you need to know before you take Mizolen
  3. How to take Mizolen
  4. Possible side effects
  5. Storage of Mizolen
  6. Contents of the pack and other information

1. What Mizolen is and what it is used for

The active substance of Mizolen is mizolastine. Mizolen is an antihistamine.

Mizolen is used to reduce the symptoms of:

  • hay fever (seasonal allergic rhinitis)
  • other allergic reactions that cause irritation in the eyes and nose (perennial allergic rhinitis)
  • urticaria (itching of the skin, such as hives).
Doctor consultation

Not sure if this medicine is right for you?

Discuss your symptoms and treatment with a doctor online.

2. What you need to know before you take Mizolen

Do not take Mizolen

  • if you are allergic to mizolastine or any of the other ingredients of this medicine (listed in section 6)
  • if you are taking macrolide antibiotics (such as erythromycin, clarithromycin, azithromycin)
  • if you are taking imidazole antifungals (such as ketoconazole, fluconazole, itraconazole, used to treat fungal infections)
  • if you have liver problems
  • if you have heart problems
  • if you have ever had irregular or slow heartbeats
  • if your ECG (electrical recording of your heartbeats) is not normal
  • if you are already taking medicines for an irregular heartbeat
  • if your blood salt levels are abnormal, especially low potassium levels.

If you are in any of these situations, or are not sure, consult your doctor or pharmacist before taking this medicine.

Warnings and precautions

In elderly patients –Mizolen may make people feel drowsy and may cause a faster or irregular heartbeat – these effects are more likely in elderly patients.

Blood tests

Your doctor may ask you to have regular blood tests or other tests to check how the medicine is working in you. This is more likely if:

  • you have diabetes (your blood sugar levels are not controlled)
  • your blood salt levels change sometimes (electrolyte imbalance)
  • you have heart rhythm problems (cardiac arrhythmias)

Taking Mizolen with other medicines

Tell your doctor or pharmacist if you are using, have recently used or might use:

  • a macrolide antibiotic such as erythromycin, clarithromycin, azithromycin
  • an imidazole antifungal such as ketoconazole, fluconazole, itraconazole.

These medicines must not be taken with Mizolen.

You should also tell your doctor or pharmacist if you are taking:

  • cimetidine (used to treat stomach ulcers)
  • ciclosporin (an immunosuppressant)
  • nifedipine (used to treat high blood pressure or heart disease) as these medicines may alter the levels of Mizolen (mizolastine) in your blood.

Tell your doctor or pharmacist if you are using, have recently used or could use any other medicines.

Taking Mizolen with food and drink

Mizolen can be taken with or without food.

Mizolen does not affect the effects produced by alcohol. However, as with any other medicine, do not drink excessive amounts of alcohol while taking Mizolen.

Pregnancy and breast-feeding

Ask your doctor or pharmacist for advice before taking this medicine.

The safety of Mizolen in pregnancy has not been established. As with all medicines, the use of mizolastine should be avoided during pregnancy, especially during the first three months.

Mizolastine is excreted in breast milk, so its use is not recommended during breast-feeding.

Driving and using machines

You may feel drowsy after taking this medicine. If this happens, do not drive or use tools or machinery.

Mizolen contains lactose and hydrogenated castor oil

This medicine contains lactose. If your doctor has told you that you have an intolerance to some sugars, consult them before taking this medicine.

This medicine may cause stomach upset and diarrhea because it contains hydrogenated castor oil.

3. How to take Mizolen

Follow exactly the administration instructions of this medicine given by your doctor. In case of doubt, consult your doctor or pharmacist again.

For adults, including elderly patients and children from 12 years.

The usual dose is one tablet (10 mg) per day.

The tablets should be taken with plenty of water.

If you take more Mizolen than you should

In case of overdose or accidental ingestion of Mizolen, consult your doctor, pharmacist or call the Toxicology Information Service, phone: 915 620 420, indicating the medicine and the amount taken. It may be necessary to go to a hospital. It is recommended to take the package and the leaflet of the medicine to the healthcare professional.

If you forget to take Mizolen

If you forget to take a Mizolen tablet, take the next one at the usual time.

Do not take a double dose to make up for forgotten doses.

If you stop taking Mizolen

Consult your doctor if you want to stop your treatment before its completion.

If you have any other questions about the use of this medicine, ask 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, this medicine can cause side effects, although not everybody gets them.

Tell your doctor immediately and stop taking Mizolen if you experience dizziness, swelling of the face, lips, tongue or throat and difficulty breathing, as these may be signs of a severe allergic reaction.

Common side effects(may affect up to 1 in 10 people):

  • dry mouth, headache, dizziness, drowsiness, lack of energy
  • diarrhea, nausea
  • stomach pain, indigestion
  • increased appetite associated with weight gain.

Uncommon side effects(may affect up to 1 in 100 people):

  • anxiety and depression
  • changes in blood tests that show liver function
  • low blood pressure
  • muscle and joint pain.

Rare side effects(may affect up to 1 in 10,000 people):

  • decrease in white blood cells that can make infections more likely
  • severe allergic reactions that can cause dizziness, swelling of the face, lips, tongue or throat and difficulty breathing
  • widespread skin rash (urticaria), itching
  • fainting.

Side effects with frequency not known(cannot be estimated from the available data):

  • vomiting.

Some people who take Mizolen have also experienced: difficulty or wheezing when breathing, worsening of asthma or slight changes in blood sugar or salt levels. Your doctor may plan blood tests to monitor your condition.

Some antihistamines (anti-allergic medicines) have been associated with abnormalities in the electrical recording of the heartbeat, which increases the risk of irregular heartbeats.

Reporting of side effects:

If you experience any side effects, talk to your doctor, pharmacist or nurse. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Spanish Medicines and Healthcare Products Agency (AEMPS) website: https://www.notificaram.es. By reporting side effects, you can help provide more information on the safety of this medicine.

5. Storage of Mizolen

Keep out of the sight and reach of children.

Do not use this medicine after the expiry date which is stated on the carton after EXP.

The expiry date is the last day of the month stated.

Store in the original package to protect from moisture.

If Mizolen is in aluminum/PVC or polystyrene/PVC blisters, do not store above 25°C.

If Mizolen is in oPA/aluminum/PVC blisters, no special storage conditions are required.

Take into account the storage conditions described on the carton.

Do not take Mizolen if you notice that the tablets have changed color.

Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These measures will help protect the environment.

6. Contents of the pack and other information

Composition of Mizolen

  • The active substance is mizolastine.
  • Each tablet contains 10 mg of mizolastine.
  • The other ingredients are:
    • Core: hydrogenated castor oil, lactose monohydrate, microcrystalline cellulose, tartaric acid, povidone, anhydrous colloidal silica, magnesium stearate.
    • Coating: hypromellose, titanium dioxide (E171), propylene glycol.

Appearance and packaging

The tablets are oblong, white, with one scored face and the letters “MZI 10” engraved on the other face.

They are available in packs of 4, 7, 10, 15, 20, 30, 50 or 100 tablets in aluminum/PVC (or oPA/aluminum/PVC) blisters, in aluminum/PVC blisters or in polystyrene containers with a polyethylene cap.

Not all pack sizes may be marketed.

Marketing authorization holder and manufacturer

Marketing authorization holder

Opella Healthcare Spain, S.L.

C/Roselló i Porcel, 21

08016 Barcelona

Sanofi Group

Manufacturer

SANOFI WINTHROP INDUSTRIE

Avenue Gustave Eiffel, 30-36

F-37100 Tours, France

or

Sanofi-Aventis Deutschland GmbH

Industriepark Höchst - Brüningstraße 50

65926 Frankfurt am Main

Germany

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

Belgium: Mizollen 10 mg modified-release tablets / Mizollen 10 mg Tabletten met gereguleerde afgifte / Mizollen 10 mg Tabletten mit veränderter Wirkstofffreisetzung.

France: MIZOLLEN 10 mg comprimés à libération modifiée.

Germany: Mizollen 10 mg Tabletten mit veränderter Wirkstofffreisetzung.

Greece: MIZOLLEN, δισκ?α ελεγχ?μενης αποδ?σμευσης 10 mg/TAB

Italy: Mizollen 10 mg compresse a rilascio modificato.

Luxembourg: MIZOLLEN 10 mg comprimés à libération modifiée.

Portugal: Mizollen 10 mg comprimidos de libertação modificada.

Spain: Mizolen 10 mg comprimidos de liberación modificada.

Netherlands: Mizollen® 10 mg, tablet met gereguleerde afgifte.

United Kingdom: Mizollen 10mg Modified-release tablets.

Date of last revision of this leaflet: January 2019

Detailed and updated information on this medicine is available on the website of the Spanish Agency for Medicines and Healthcare Products (AEMPS) http://www.aemps.gob.es/

Online doctors for MIZOLEN 10 mg MODIFIED-RELEASE TABLETS

Discuss questions about MIZOLEN 10 mg MODIFIED-RELEASE TABLETS, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

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Doctor

Tarek Agami

General medicine 11 years exp.

Dr. Tarek Agami is a general practitioner registered in both Portugal and Israel, with broad experience in family and preventive medicine. He offers online consultations for adults and children, providing personalised support for primary care needs, chronic disease management, and everyday health concerns.

Dr. Agami received clinical training and worked in leading medical institutions in Israel (Kaplan Medical Center, Barzilai Medical Center, Wolfson Medical Center) and Portugal (European Healthcare City, Viscura Internacional, Hospital Dr. José Maria Grande, Hospital Vila Franca de Xira). His approach combines international medical standards with individualised attention to each patient.

Main areas of consultation:

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  • Treatment adjustments and lifestyle recommendations based on your personal history
Dr. Agami provides medical support for patients using GLP-1 medications (such as Ozempic or Mounjaro) 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 Portugal and Israel.

Dr. Agami is committed to evidence-based, patient-centred care, ensuring that each person receives trusted medical support tailored to their health goals.

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Nuno Tavares Lopes

Family medicine 18 years exp.

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
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  • 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.

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Anastasiia Shalko

Family medicine 13 years exp.

Dr. Anastasiia Shalko is a general practitioner with a background in both paediatrics and general medicine. She graduated from Bogomolets National Medical University in Kyiv and completed her paediatric internship at the P.L. Shupyk National Medical Academy of Postgraduate Education. After working as a paediatrician in Kyiv, she relocated to Spain, where she has been practising general medicine since 2015, providing care for both adults and children.

Her work focuses on urgent, short-term medical concerns – situations where patients need quick guidance, symptom assessment and clear next steps. She helps people understand whether their symptoms require in-person evaluation, home management or a change in treatment. Common reasons for booking an online consultation include:

  • acute respiratory symptoms (cough, sore throat, runny nose, fever)
  • viral illnesses such as colds and seasonal infections
  • gastrointestinal complaints (nausea, diarrhoea, abdominal pain, gastroenteritis)
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Dr. Shalko works specifically with urgent and short-term problems, providing practical recommendations and helping patients determine the safest next step. She explains symptoms clearly, guides patients through decision-making and offers straightforward medical advice for everyday acute issues.

She does not provide long-term management of chronic conditions, ongoing follow-up or comprehensive care plans for complex long-term illnesses. Her consultations are designed for acute symptoms, sudden concerns and situations where timely medical input is important.

With clinical experience in both paediatrics and general medicine, Dr. Shalko confidently supports adults and children. Her communication style is clear, simple and reassuring, helping patients feel informed and supported throughout the consultation.

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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:

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  • 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.
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Frequently Asked Questions

Is a prescription required for MIZOLEN 10 mg MODIFIED-RELEASE TABLETS?
MIZOLEN 10 mg MODIFIED-RELEASE TABLETS 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 MIZOLEN 10 mg MODIFIED-RELEASE TABLETS?
The active ingredient in MIZOLEN 10 mg MODIFIED-RELEASE TABLETS is mizolastine. This information helps identify medicines with the same composition but different brand names.
How much does MIZOLEN 10 mg MODIFIED-RELEASE TABLETS cost in pharmacies?
The average pharmacy price for MIZOLEN 10 mg MODIFIED-RELEASE TABLETS is around 9.74 EUR. Prices may vary depending on the manufacturer and dosage form.
Who manufactures MIZOLEN 10 mg MODIFIED-RELEASE TABLETS?
MIZOLEN 10 mg MODIFIED-RELEASE TABLETS is manufactured by Opella Healthcare Spain S.L.. Pharmacy brands and packaging may differ depending on the distributor.
Which doctors can assess the use of MIZOLEN 10 mg MODIFIED-RELEASE TABLETS 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 MIZOLEN 10 mg MODIFIED-RELEASE TABLETS 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 MIZOLEN 10 mg MODIFIED-RELEASE TABLETS?
Other medicines with the same active substance (mizolastine) include ABISAX 20 mg TABLETS, ABRILIA 20 mg TABLETS, AERIUS 0.5 mg/ml ORAL SOLUTION. 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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