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Allegra

Allegra

Ask a doctor about a prescription for Allegra

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Doctor

Marta Reguero Capilla

Allergology7 years of experience

Dr Marta Reguero Capilla is an allergist and immunologist who works with both adults and children. She specialises in the diagnosis, treatment, and ongoing management of allergic and immune-related conditions through online consultations.

In her practice, Dr Reguero Capilla helps patients understand the causes of their symptoms, review test results, and choose appropriate treatment or monitoring strategies. Her consultations are suitable both for first-time assessments and for follow-up care over time.

Patients commonly consult Dr Marta Reguero Capilla for:

  • allergic rhinitis, seasonal allergies, and perennial allergy symptoms;
  • allergic conditions in adults and children;
  • bronchial asthma and allergy-related respiratory symptoms;
  • urticaria (acute and chronic) and angioedema;
  • food allergies and reactions to foods, additives, or medications;
  • atopic dermatitis, allergic rashes, and persistent itching;
  • unexplained or recurrent allergic reactions;
  • interpretation of laboratory tests, allergy testing, and immunology results;
  • immune system concerns, frequent infections, and reduced immune response;
  • ongoing medical follow-up and treatment adjustment.
Dr Reguero Capilla works in a structured and attentive manner, explaining medical decisions clearly and helping patients make informed choices about their own health or their child’s care.

When clinically appropriate, she may provide recommendations for further tests or referrals that patients can use within Spanish medical networks, including Sanitas and DKV, in accordance with the terms and conditions of those services.

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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 Allegra

Package Leaflet: Information for the User

Warning! Keep the leaflet! Information on the immediate packaging in a foreign language.

Allegra (Fexofenadine Opella Healthcare), 120 mg, film-coated tablets

Fexofenadine hydrochloride
Allegra and Fexofenadine Opella Healthcare are different trade names for the same medicine.

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

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

  • The package leaflet should be kept in case it needs to be read again.
  • If advice or additional information is needed, a pharmacist should be consulted.
  • If the patient experiences any side effects, including any possible side effects not listed in the package leaflet, they should inform their doctor, pharmacist, or nurse. See section 4.
  • If there is no improvement after 5 days or the patient feels worse, they should contact their doctor.

Table of Contents of the Package Leaflet

  • 1. What Allegra is and what it is used for
  • 2. Important information before taking Allegra
  • 3. How to take Allegra
  • 4. Possible side effects
  • 5. How to store Allegra
  • 6. Contents of the pack and other information

1. What Allegra is and what it is used for

Allegra contains fexofenadine hydrochloride, which is an antihistamine.
Allegra is used in adults and in adolescents aged 12 years and older to treat symptoms of allergic rhinitis (such as hay fever), including sneezing, nasal itching, runny or itchy nose, and itchy, red, or watery eyes.

2. Important information before taking Allegra

When not to take Allegra:

  • if the patient is allergic to fexofenadine hydrochloride or any of the other ingredients of this medicine (listed in section 6).

Warnings and precautions

Before taking Allegra, the patient should discuss it with their doctor or pharmacist.
When to be particularly cautious when taking Allegra:

  • if the patient has kidney or liver problems,
  • if the patient currently has or has had a heart condition, as this medicine may cause a fast or irregular heartbeat,
  • if the patient is elderly.

If any of these cases apply to the patient or if they have any doubts, they should consult their doctor or pharmacist before taking Allegra.

Allegra with other medicines

The patient should tell their doctor or pharmacist about all medicines they are taking or have recently taken, as well as any medicines they plan to take.
If the patient is taking apalutamide (a medicine used to treat prostate cancer), the effect of fexofenadine may be reduced.
Taking antacids that contain aluminum or magnesium may affect the action of Allegra by reducing the amount of medicine absorbed.
Therefore, it is recommended to leave a 2-hour interval between taking the above-mentioned antacids and taking Allegra.

Allegra with food and drink

Allegra tablets should be taken before a meal, with a glass of water.

Pregnancy and breastfeeding

If the patient is pregnant or breastfeeding, thinks they may be pregnant, or plans to have a baby, they should consult their doctor or pharmacist before taking this medicine.
Allegra should not be taken during pregnancy unless it is absolutely necessary.
It is not recommended to take Allegra during breastfeeding.

Driving and using machines

It is unlikely that Allegra will affect the ability to drive or use machines.
This means that patients can drive vehicles and perform tasks that require concentration.
However, before driving or operating machinery, the patient should make sure that the medicine does not cause drowsiness or dizziness.
If such symptoms occur, the patient should not drive or operate machines.

Allegra contains sodium

The medicine contains less than 1 mmol (23 mg) of sodium per tablet, which means that the medicine is considered "sodium-free".

3. How to take Allegra

This medicine should always be taken exactly as described in the package leaflet for the patient or as directed by a doctor or pharmacist.
In case of doubts, the patient should consult their doctor or pharmacist.
The following instructions apply if the doctor has not prescribed a different way of taking Allegra.
For adults and adolescents aged 12 years and older
The recommended dose is 1 tablet (120 mg) once a day.
The tablets should be taken orally, before a meal, with a glass of water.
If the symptoms do not improve after 5 days of taking the medicine, the patient should contact their doctor.

Overdose of Allegra

In case of an overdose, the patient should immediately consult their doctor or go to the nearest hospital.
Symptoms of an overdose include dizziness, drowsiness, fatigue, and dry mouth.

Missing a dose of Allegra

A double dose should not be taken to make up for a missed dose.
The next dose should be taken at the usual time.
In case of any further doubts about taking this medicine, the patient should consult their doctor or pharmacist.

4. Possible side effects

Like all medicines, Allegra can cause side effects, although not everybody gets them.
The patient should immediately consult their doctor and stop taking Allegra if they experience swelling of the face, lips, tongue, or throat, and difficulty breathing.
These may be symptoms of a severe allergic reaction.
Common side effects (occurring in less than 1 in 10 but more than 1 in 100 patients): headache, drowsiness, nausea, and dizziness.
Uncommon side effects (occurring in less than 1 in 100 but more than 1 in 1,000 patients): fatigue/drowsiness.
Other side effects (frequency not known - frequency cannot be estimated from the available data) that may occur include: difficulty sleeping (insomnia), sleep disorders, nightmares/vivid dreams, nervousness, blurred vision, fast or irregular heartbeat, diarrhea, skin rash, itching, hives, severe allergic reactions that may cause swelling of the face, lips, tongue, and throat, difficulty breathing, feeling of tightness in the chest, sudden flushing of the skin.

Reporting side effects

If the patient experiences any side effects, including any possible side effects not listed in this package leaflet, they should inform their 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, tel.: +48 22 49 21 301, fax: +48 22 49 21 309, website: https://smz.ezdrowie.gov.pl.
Reporting side effects will help to gather more information on the safety of this medicine.

5. How to store Allegra

The medicine should be stored out of sight and reach of children.
The medicine should not be used after the expiry date stated on the carton.
The expiry date refers to the last day of the month stated.
The medicine should be stored below 25°C.
Medicines should not be disposed of via wastewater or household waste.
The patient should ask their pharmacist how to dispose of medicines that are no longer needed.
This will help protect the environment.

6. Contents of the pack and other information

What Allegra contains

  • The active substance of Allegra is fexofenadine hydrochloride.
    Each tablet contains 120 mg of fexofenadine hydrochloride.
  • The other ingredients of the medicine are: Core tablet:croscarmellose sodium, maize starch, microcrystalline cellulose, magnesium stearate.Coating:hypromellose E-5, hypromellose E-15, povidone, titanium dioxide (E 171), colloidal anhydrous silica, macrogol 400, yellow iron oxide (E 172), red iron oxide (E 172).

What Allegra looks like and contents of the pack

Allegra film-coated tablets are peach-colored, have a capsule shape with dimensions of 6.1 mm x 15.8 mm, and are marked with "012" on one side and "e" on the other side.
Allegra film-coated tablets are packaged in PVC/PVDC/Al or PVC/PE/PVDC/Al blisters, in a carton box.
The pack contains 20 film-coated tablets.
For more detailed information, the patient should consult the marketing authorization holder or the parallel importer.

Marketing authorization holder in Italy, the country of export:

Opella Healthcare Italy S.r.l.
Viale L Bodio, 37/B
20158 Milan, Italy

Manufacturer:

Sanofi Winthrop Industrie
30-36 Avenue Gustave Eiffel
37100 Tours, France
Opella Healthcare International SAS
56, Route de Choisy
60200 Compiègne, France

Parallel importer:

InPharm Sp. z o.o., ul. Strumykowa 28/11, 03-138 Warsaw

Repackaged by:

InPharm Sp. z o.o. Services sp. k., ul. Chełmżyńska 249, 04-458 Warsaw
Marketing authorization number in Italy, the country of export:033304078
033304041

Parallel import authorization number: 60/25

Date of revision of the package leaflet: 11.02.2025

[Information about the trademark]

Alternatives to Allegra in other countries

The best alternatives with the same active ingredient and therapeutic effect.

Alternative to Allegra in Іспанія

Dosage form: ТАБЛЕТКА, 120 мг
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Active substance: ebastine
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Alternative to Allegra in Україна

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Prescription not required
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Prescription not required
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Active substance: fexofenadine
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Online doctors for Allegra

Discuss dosage, side effects, interactions, contraindications, and prescription renewal for Allegra – subject to medical assessment and local rules.

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Liudmyla Boichuk

Family medicine10 years of experience

Dr Liudmyla Boichuk is a family medicine doctor providing diagnosis and treatment for a wide range of acute and chronic conditions in adults and children. She works with respiratory, cardiovascular and digestive system disorders and has extensive experience caring for patients with multiple coexisting conditions, where coordinated, whole-person management is essential.

She treats adults with respiratory illnesses such as pneumonia, COPD and bronchial asthma, as well as cardiovascular conditions including hypertension and ischaemic heart disease. Her practice also covers gastrointestinal complaints and chronic comorbidities that require careful, structured medical supervision.

Dr Boichuk provides care for children from birth, including acute respiratory viral infections, infectious diseases, pneumonia, bronchitis, bronchial obstruction syndromes and allergic reactions. She offers clear, evidence-based guidance to parents and ensures safe follow-up throughout the child’s recovery.

Her work also includes developing personalised immunisation plans and supporting families with long-term preventive care.

Known for her structured clinical approach and clear communication, Dr Liudmyla Boichuk offers patients of all ages comprehensive, reliable and evidence-based medical care.

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Marta Reguero Capilla

Allergology7 years of experience

Dr Marta Reguero Capilla is an allergist and immunologist who works with both adults and children. She specialises in the diagnosis, treatment, and ongoing management of allergic and immune-related conditions through online consultations.

In her practice, Dr Reguero Capilla helps patients understand the causes of their symptoms, review test results, and choose appropriate treatment or monitoring strategies. Her consultations are suitable both for first-time assessments and for follow-up care over time.

Patients commonly consult Dr Marta Reguero Capilla for:

  • allergic rhinitis, seasonal allergies, and perennial allergy symptoms;
  • allergic conditions in adults and children;
  • bronchial asthma and allergy-related respiratory symptoms;
  • urticaria (acute and chronic) and angioedema;
  • food allergies and reactions to foods, additives, or medications;
  • atopic dermatitis, allergic rashes, and persistent itching;
  • unexplained or recurrent allergic reactions;
  • interpretation of laboratory tests, allergy testing, and immunology results;
  • immune system concerns, frequent infections, and reduced immune response;
  • ongoing medical follow-up and treatment adjustment.
Dr Reguero Capilla works in a structured and attentive manner, explaining medical decisions clearly and helping patients make informed choices about their own health or their child’s care.

When clinically appropriate, she may provide recommendations for further tests or referrals that patients can use within Spanish medical networks, including Sanitas and DKV, in accordance with the terms and conditions of those services.

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  • Digestive issues: heartburn, bloating, constipation, IBS symptoms.
  • Chronic conditions: diabetes, thyroid disorders.
  • Interpretation of lab tests and medical reports, therapy adjustment.
  • Second opinion and decision-making support.
  • Cardiovascular disease prevention and metabolic risk reduction.
  • Long-term follow-up and dynamic health monitoring.

Dr Kolomeeva combines clinical expertise with personalised care. She clearly explains diagnoses, guides patients through symptoms and treatment options, and provides actionable plans. Her consultations are designed not only to address current complaints but also to stabilise chronic conditions and prevent future complications. She supports patients through every stage of care – from first symptoms to ongoing health management.

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Alina Tsurkan

Family medicine12 years of experience

Dr. Alina Tsurkan is a licensed family medicine physician based in Portugal, offering online consultations for adults and children. She provides professional primary care, with a focus on prevention, accurate diagnosis, and long-term management of acute and chronic conditions.

Dr. Tsurkan supports patients with a wide range of health issues, including:

  • Respiratory infections: cold, flu, bronchitis, pneumonia, and lingering coughs.
  • ENT conditions: sinusitis, tonsillitis, otitis (ear infections), sore throat, allergic rhinitis.
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  • Chronic diseases: hypertension, elevated cholesterol, weight management.
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  • Children’s health: fever, infections, digestive issues, follow-ups, vaccination guidance.

She also provides:

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  • Interpretation of test results and medical reports.
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  • Support in managing multiple coexisting conditions.
  • Remote prescription management and medical documentation.

Dr. Tsurkan’s approach is evidence-based and holistic. She works closely with each patient to develop an individualised care plan that addresses both symptoms and root causes. Her goal is to empower patients to take control of their health and maintain well-being through lifestyle adjustments, routine check-ups, and early intervention.

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Antonio Cayatte

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Dr Antonio Cayatte is a physician in General and Acute Medicine with over 30 years of experience across clinical care, medical research, and education. He offers online consultations for adults with a wide range of symptoms, both acute and chronic.

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Dr Cayatte earned his degree from the University of Lisbon and taught internal medicine at Boston University School of Medicine. He holds active medical registrations in both Portugal and the UK and is a Fellow of the American Heart Association.

Consultations are available in English and Portuguese. Patients value his clarity, professionalism, and balanced approach to evidence-based care.

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  • 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.
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Additional care areas:

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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.

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Dr Alexandrova follows an evidence-based and holistic approach: online consultations with a therapist and trichologist on Oladoctor provide professional support for hair, scalp, and overall health — all from the comfort of your home.

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