FLUCELVAX 15 micrograms/0.5 ml Injectable

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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 FLUCELVAX Injectable Suspension in Pre-filled Syringe

Contents of the leaflet

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

Introduction

Package Leaflet: Information for the User

Flucelvax Injectable Suspension in Pre-filled Syringe

Influenza Vaccine (Surface Antigen, Inactivated, Prepared in Cell Cultures)

Read all of this leaflet carefully before you start receiving 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, pharmacist, or nurse.
  • If you experience any side effects, talk to your doctor, pharmacist, or nurse, even if they are not listed in this leaflet. See section 4.

Contents of the Package Leaflet

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

1. What is Flucelvax and what is it used for

Flucelvax is an influenza vaccine. Flucelvax is prepared in cell cultures and therefore does not contain egg.

When a person receives the vaccine, the immune system (the body's natural defense system) will produce its own protection against the influenza virus. None of the vaccine components can cause influenza.

Flucelvax is used to prevent influenza in adults and children from 6 months of age.

The vaccine is directed against three strains of the influenza virus, following the recommendations of the World Health Organization for the 2025/2026 Campaign.

Doctor consultation

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Discuss your symptoms and treatment with a doctor online.

2. What you need to know before you receive Flucelvax

You should not receive Flucelvax

If you are allergic to:

  • the active substances or any of the other components of this vaccine (listed in section 6).
  • beta-propiolactone, cetrimide, or polysorbate 80, which are residues from the manufacturing process that may be present in minimal amounts.

Warnings and Precautions

Consult your doctor, pharmacist, or nurse before receiving Flucelvax.

BEFORE VACCINATION

  • your doctor or nurse will check that medical treatment and adequate supervision are readily available in the rare event of an anaphylactic reaction (a severe allergic reaction with symptoms such as difficulty breathing, dizziness, weak and rapid pulse, and skin rash) after administration. This reaction can occur with Flucelvax, as with all injectable vaccines.
  • you should inform your doctor if you have an acute illness with fever. Your doctor may decide to postpone your vaccination until the fever has resolved.
  • you should inform your doctor if your immune system is compromised or if you are receiving treatment that affects it, for example, cancer medication (chemotherapy) or corticosteroids (see section "Other medicines and Flucelvax").
  • you should inform your doctor if you have a bleeding problem or if you bruise easily.
  • you may faint after injection with a needle, or even before, so inform your doctor or nurse if you have fainted previously with any injection.

As with all vaccines, Flucelvax may not protect all people who are vaccinated.

Children under 6 months

This vaccine is not currently recommended in children under 6 months, as safety and efficacy have not been established in this age group.

Other medicines and Flucelvax

Inform your doctor or nurse if you are using, have recently used, or might use any other medicines, including those obtained without a prescription, or if you have recently received any other vaccine.

Flucelvax can be administered at the same time as other vaccines.

Pregnancy and Breastfeeding

Pregnancy

If you are pregnant, think you may be pregnant, or plan to become pregnant, consult your doctor. Influenza vaccines can be administered during any trimester of pregnancy.

Breastfeeding

The use of Flucelvax during breastfeeding has not been studied. No effects on breastfed infants are expected. Flucelvax can be administered during breastfeeding.

Driving and using machines

Flucelvax has no or negligible influence on the ability to drive and use machines.

Flucelvax contains sodium and potassium

This vaccine contains less than 1 mmol of sodium (23 mg) per dose; this is essentially "sodium-free".

This vaccine contains potassium, less than 1 mmol (39 mg) per dose; this is essentially "potassium-free".

3. How Flucelvax is administered

Your doctor or nurse will administer Flucelvax as an injection into the muscle of the upper arm (deltoid muscle) or into the muscle of the upper and outer thigh in small children, depending on muscle size.

Adults and children from 6 months of age

A dose of 0.5 ml.

If your child is under 9 years of age and has never been vaccinated against influenza, a second dose should be administered at least 4 weeks later.

Medicine questions

Started taking the medicine and have questions?

Discuss your symptoms and treatment with a doctor online.

4. Possible side effects

As with all medicines, this vaccine can cause side effects, although not everybody gets them.

The following side effects have been reported during clinical trials and during general use:

Very serious side effects

Consult your doctor immediately or go to the emergency department of your nearest hospital if you experience the following side effect – you may need urgent medical attention or hospitalization:

  • Difficulty breathing, dizziness, weak and rapid pulse, along with skin rash, which are symptoms of an anaphylactic reaction (a severe allergic reaction)

Serious side effects

Inform your doctor immediately if you experience any of the following side effects – you may need medical attention:

  • You feel weak, have difficulty moving, or experience numbness or tingling in your limbs. These may be symptoms of Guillain-Barré Syndrome (GBS), an autoimmune disease caused by the body's immune system
  • Extensive swelling of the limb where the vaccine was injected

Other side effects

Very common (may affect more than 1 in 10 people)

  • Pain at the injection site, bruising, redness, and swelling or hardness at the injection site
  • Headache
  • Muscle pain
  • Fatigue
  • Loss of appetite
  • Irritability (reported only in children from 6 months to <6 years)< li>
  • Somnolence (reported only in children from 6 months to <6 years)< li>
  • Changes in eating habits (reported only in children from 6 months to <6 years)< li>
  • Fever (≥38°C)
  • Diarrhea

In elderly patients, common side effects were hardness or swelling at the injection site, headache, muscle pain, and fatigue.

Bruising at the injection site was common in adults, elderly, and children from 9 to <18 years.< p>

Headache was common in the elderly.

Loss of appetite was common in adults, elderly, and children from 9 to <18 years.< p>

Fever was uncommon in adults and elderly and common in children from 4 to <18 years of age.< p>

Common (may affect up to 1 in 10 people)

  • Nausea, vomiting, diarrhea
  • Joint pain
  • Chills

Vomiting was uncommon in elderly patients.

Frequency not known (cannot be estimated from the available data)

  • Feeling of tingling and numbness (paresthesia)
  • Generalized skin reactions including itching, hives, or non-specific skin rash

Reporting of side effects

If you experience any side effects, talk to your doctor, pharmacist, or nurse, even if they are not listed in this leaflet. You can also report side effects directly through the national reporting system listed in Appendix V. By reporting side effects, you can help provide more information on the safety of this medicine.

5. Storage of Flucelvax

Keep this medicine out of the sight and reach of children.

Do not use this vaccine after the expiry date which is stated on the label and carton after EXP. The expiry date is the last day of the month shown.

Store in a refrigerator (between 2°C and 8°C). Do not freeze.

Keep the pre-filled syringe in the outer packaging to protect it from light.

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

6. Contents of the pack and other information

Composition of Flucelvax

  • The active substances are surface antigens of the influenza virus (hemagglutinin and neuraminidase), inactivated, of the following strains*:

Strain similar to A/Wisconsin/67/2022 (H1N1)pdm09 (A/Georgia/12/2022, CVR-167)

15 micrograms HA**

Strain similar to A/District of Columbia/27/2023 (H3N2) (A/Victoria/800/2024, CVR-289) 15 micrograms HA**

Strain similar to B/Austria/1359417/2021 (Singapore/WUH4618/2021, wild type)

15 micrograms HA**

per 0.5 ml dose

……………………………………

grown in Madin Darby Canine Kidney (MDCK) cells (a special cell culture in which the influenza virus grows)

** hemagglutinin

This vaccine complies with the recommendation of the World Health Organization (WHO) (Northern Hemisphere) and with the EU recommendation for the 2025-2026 season.

  • The other components are: sodium chloride, potassium chloride, magnesium chloride hexahydrate, disodium phosphate dihydrate, potassium dihydrogen phosphate, and water for injections (see section 2: Flucelvax contains sodium and potassium).

Appearance and packaging of the product

Flucelvax is an injectable suspension (injection) in a pre-filled syringe (ready-to-use syringe). Flucelvax is a transparent to slightly opalescent suspension.

Each individual syringe contains 0.5 ml of injectable suspension.

Flucelvax is available in packs of 1 pre-filled syringe with or without a needle or 10 pre-filled syringes with or without needles.

Not all pack sizes may be marketed.

Marketing authorization holder and manufacturer

Seqirus Netherlands B.V.

Paasheuvelweg 28

1105BJ Amsterdam

Netherlands

You can obtain further information on this medicine from the local representative of the marketing authorization holder.

Belgium/Belgique/Belgien

Seqirus Netherlands B.V. Netherlands

Tel: +31 (0) 20 204 6900

Lithuania

Seqirus Netherlands B.V. Netherlands

Tel: +31 (0) 20 204 6900

Text in Bulgarian and Dutch with contact information for Seqirus Netherlands BV including phone number

Luxembourg/Luxemburg

Seqirus Netherlands B.V. Netherlands

Tel: +31 (0) 20 204 6900

Czech Republic

Seqirus Netherlands B.V. Netherlands

Tel: +31 (0) 20 204 6900

Hungary

Seqirus Netherlands B.V. Netherlands

Tel: +31 (0) 20 204 6900

Denmark

Seqirus Netherlands B.V. Netherlands

Tel: +31 (0) 20 204 6900

Malta

Seqirus Netherlands B.V. Netherlands

Tel: +31 (0) 20 204 6900

Germany

Seqirus GmbH Marburg

Tel: 08003601010

Netherlands

Seqirus Netherlands B.V. Amsterdam

Tel: +31 (0) 20 204 6900

Estonia

Seqirus Netherlands B.V. Netherlands

Tel: +31 (0) 20 204 6900

Norway

Seqirus Netherlands B.V. Netherlands

Tel: +31 (0) 20 204 6900

Text with the name of the company WIN MEDICA A E and phone number 210 7488821 in Greek and Latin letters

Austria

Valneva Austria GmbH, Vienna

Tel: +43 1 20620 2020

Spain

Seqirus Spain S.L. Barcelona

Tel 937 817 884

Poland

Seqirus Netherlands B.V. Netherlands

Tel: +31 (0) 20 204 6900

France

Seqirus Netherlands B.V. Netherlands

Tel: +31 (0) 20 204 6900

Portugal

Seqirus Netherlands B.V. Netherlands

Tel: +31 (0) 20 204 6900

Croatia

Seqirus Netherlands B.V. Netherlands

Tel: +31 (0) 20 204 6900

Romania

Seqirus Netherlands B.V. Netherlands

Tel: +31 (0) 20 204 6900

Ireland

Seqirus UK Limited Maidenhead

Tel: +44 1628 641 500

Slovenia

Seqirus Netherlands B.V. Netherlands

Tel: +31 (0) 20 204 6900

Iceland

Seqirus Netherlands B.V. Netherlands

Tel: +31 (0) 20 204 6900

Slovakia

Seqirus Netherlands B.V. Netherlands

Tel: +31 (0) 20 204 6900

Italy

Seqirus S.r.l. Siena

Tel: +39 0577 096400

Finland

Seqirus Netherlands B.V. Netherlands

Tel: +31 (0) 20 204 6900

Text in Greek and Dutch with contact information for a pharmaceutical company and phone number

Sweden

Seqirus Netherlands B.V. Netherlands

Tel: +31 (0) 20 204 6900

Latvia

Seqirus Netherlands B.V. Netherlands

Tel: +31 (0) 20 204 6900

Date of last revision of this leaflet: 07/2025

Other sources of information

Detailed information on this medicine is available on the European Medicines Agency website: http://www.ema.europa.eu.

------------------------------------------------------------------------------------------------------------------------------

This information is intended only for healthcare professionals:

Medical treatment and adequate supervision should always be readily available in case of an anaphylactic episode, which can rarely occur after vaccine administration.

Shake before use. After shaking, the normal appearance of the vaccine is a transparent to slightly opalescent suspension.

The vaccine should be inspected visually for particulate matter and color changes before administration. If particulate matter and/or any variation in physical appearance are observed, do not administer the vaccine.

Online doctors for FLUCELVAX Injectable Suspension in Pre-filled Syringe

Discuss questions about FLUCELVAX Injectable Suspension in Pre-filled Syringe, 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(12)

Yevgen Yakovenko

Family medicine12 years of experience

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.

Book a video appointment
€72
Doctor
5.0(3)

Lina Travkina

Family medicine13 years of experience

Dr. Lina Travkina is a licensed family and preventive medicine doctor based in Italy. She provides online consultations for adults and children, supporting patients across all stages of care – from acute symptom management to long-term health monitoring and prevention.

Areas of medical care include:

  • Respiratory conditions: colds, flu, acute and chronic bronchitis, mild to moderate pneumonia, bronchial asthma.
  • ENT and eye conditions: sinusitis, tonsillitis, pharyngitis, otitis, infectious and allergic conjunctivitis.
  • Digestive issues: gastritis, acid reflux (GERD), IBS, dyspepsia, bloating, constipation, diarrhoea, functional bowel symptoms, intestinal infections.
  • Urological and infectious diseases: acute and recurrent cystitis, bladder and kidney infections, prevention of recurrent UTIs, asymptomatic bacteriuria.
  • Chronic conditions: hypertension, diabetes, hypercholesterolemia, metabolic syndrome, thyroid disorders, excess weight.
  • Neurological and general symptoms: headache, migraine, dizziness, fatigue, sleep disturbances, reduced concentration, anxiety, asthenia.
  • Chronic pain support: back, neck, joint, and muscle pain, tension syndromes, pain associated with osteochondrosis and chronic conditions.

Additional care areas:

  • Preventive consultations and check-up planning.
  • Medical advice and follow-up consultations.
  • Test interpretation and diagnostic guidance.
  • Structured support for undiagnosed complaints.
  • Second opinion on diagnoses and treatment plans.
  • Nutritional and lifestyle support for vitamin deficiencies, anaemia, metabolic issues.
  • Post-operative recovery support and pain management.
  • Preconception counselling and postpartum support.
  • Immunity support and strategies to reduce frequency of infections.

Dr. Travkina combines evidence-based medicine with an attentive, personalised approach. Her consultations focus not only on treatment, but also on prevention, recovery, and long-term wellbeing.

If during the consultation it becomes clear that your case requires in-person assessment or specialised care outside of her scope, the session will be terminated and the payment fully refunded.

Book a video appointment
€75
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

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Frequently Asked Questions

Is a prescription required for FLUCELVAX Injectable Suspension in Pre-filled Syringe?

FLUCELVAX Injectable Suspension in Pre-filled Syringe 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 FLUCELVAX Injectable Suspension in Pre-filled Syringe?

The active ingredient in FLUCELVAX Injectable Suspension in Pre-filled Syringe is influenza, inactivated, split virus or surface antigen. This information helps identify medicines with the same composition but different brand names.

Who manufactures FLUCELVAX Injectable Suspension in Pre-filled Syringe?

FLUCELVAX Injectable Suspension in Pre-filled Syringe is manufactured by Seqirus Netherlands B.V.. Pharmacy brands and packaging may differ depending on the distributor.

Which doctors can assess the use of FLUCELVAX Injectable Suspension in Pre-filled Syringe 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 FLUCELVAX Injectable Suspension in Pre-filled Syringe 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 FLUCELVAX Injectable Suspension in Pre-filled Syringe 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 FLUCELVAX Injectable Suspension in Pre-filled Syringe 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 FLUCELVAX Injectable Suspension in Pre-filled Syringe?

Other medicines with the same active substance (influenza, inactivated, split virus or surface antigen) include ADJUPANRIX 3.75 micrograms EMULSION AND SUSPENSION FOR INJECTABLE EMULSION, EFLUELDA SUSPENSION FOR INJECTION IN PRE-FILLED SYRINGE, EFLUELDA TETRA Injectable Suspension in Pre-filled Syringe. 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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