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LYFNUA 45 mg FILM-COATED TABLETS

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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.

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 LYFNUA 45 mg FILM-COATED TABLETS

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.

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Introducción

Prospecto: información para el paciente

Lyfnua 45mg comprimidos recubiertos con película

gefapixant

Este medicamento está sujeto a seguimiento adicional, lo que agilizará la detección de nueva información sobre su seguridad. Puede contribuir comunicando los efectos adversos que pudiera usted tener. La parte final de la sección 4 incluye información sobre cómo comunicar estos efectos adversos.

Lea todo el prospecto detenidamente antes de empezar a tomar 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 o farmacéutico.
  • 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 o farmacéutico, incluso si se trata de efectos adversos que no aparecen en este prospecto. Ver sección 4.

Contenido del prospecto

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

1. Qué es Lyfnua y para qué se utiliza

Lyfnua contiene el principio activo gefapixant.

Lyfnua es un medicamento que se utiliza en adultos para la tos crónica (tos que dura más de 8 semanas) y:

  • la tos no desaparece incluso después de utilizar otros medicamentos o
  • se desconoce la razón de la tos.

El principio activo de Lyfnua, gefapixant, bloquea la acción de los nervios que provocan la tos anormal.

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 tomar Lyfnua

No tome Lyfnua

  • sí es alérgicoa gefapixant o a alguno de los demás componentes de este medicamento (incluidos en la sección 6).

Advertencias y precauciones

Consulte a su médico o farmacéutico antes de empezar a tomar y mientras esté tomando Lyfnua si:

  • es alérgicoa medicamentos que contienen sulfonamida
  • tiene apnea del sueño– en la que su respiración se detiene y vuelve a empezar mientras duerme
  • desarrolla una infección aguda del pulmón/sistema respiratorio inferior (por ejemplo, neumonía o bronquitis)
  • percibe un cambio en el sabor de las cosas, pérdida del gustoo menos capacidad para saborear, que continúa incluso después de dejar de tomar Lyfnua.

Niños y adolescentes

No dé este medicamento a niños y adolescentes menores de 18 años de edad. Esto es porque no se ha estudiado en este grupo de edad.

Otros medicamentos y Lyfnua

Informe a su médico o farmacéutico si está tomando, ha tomado recientemente o pudiera tener que tomar cualquier otro medicamento.

Embarazo y lactancia

Se desconoce si Lyfnua pueden dañar al feto. Por lo tanto, es mejor evitar el uso de Lyfnua si está embarazada.

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

Los estudios en animales han demostrado que Lyfnua puede pasar a la leche materna. No se puede descartar un riesgo para su bebé. Usted y su médico deben decidir de forma conjunta si tomar Lyfnua o elegir la lactancia.

Conducción y uso de máquinas

Es posible que se sienta mareado después de tomar Lyfnua. Si esto ocurre, no conduzca ni utilice herramientas o máquinas hasta que deje de sentirse mareado.

Lyfnua contiene sodio

Este medicamento contiene menos de 1 mmol de sodio (23 mg) por comprimido; esto es, esencialmente “exento de sodio”.

3. Cómo tomar Lyfnua

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.

Qué cantidad tomar

La dosis recomendada de Lyfnua es:

  • un comprimido de 45 mg dos veces al día.

Adultos con problemas renales

Su médico puede cambiar la cantidad y la frecuencia con la que toma Lyfnua si:

  • tiene insuficiencia renal grave y no está en diálisis.

Como se toma

Trague el comprimido entero. No parta, machaque ni mastique el comprimido.

Puede tomar el comprimido con o sin alimentos.

Si toma más Lyfnua del que debe

Si toma demasiado Lyfnua, contacte con un médico o farmacéutico inmediatamente.

Si olvidó tomar Lyfnua

Si olvida una dosis, sáltese esa dosis y tome la siguiente dosis a la hora programada.

No tome una dosis doble para compensar las dosis olvidadas.

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

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.

Los posibles efectos adversos son:

Muy frecuentes (pueden afectar a más de 1 de cada 10 personas)

  • cambio en el sabor de las cosas (como sabor a: metálico, amargo o salado)
  • tener menos capacidad degustativa
  • pérdida del gusto

Frecuentes(pueden afectar a hasta 1 de cada 10 personas)

  • sensación de ganas de vomitar (náuseas)
  • sabor diferente de las cosas a como sabían antes
  • tos (empeoramiento, aumento)
  • boca seca
  • infección de las vías respiratorias superiores (una infección en la parte superior de las vías respiratorias, que incluye la nariz y la garganta)
  • diarrea
  • dolor en la boca o la garganta
  • tener menos hambre de lo habitual
  • sentirse mareado
  • dolor en la zona alta del abdomen (vientre)
  • indigestión
  • sensaciones inusuales en la boca (por ejemplo, hormigueo o sensación de picor)
  • pérdida de sensibilidad en la boca
  • aumento de la producción de saliva
  • insomnio (dificultad para dormir)
  • dolor de cabeza

Poco frecuentes(pueden afectar a hasta 1 de cada 100 personas)

  • piedras en la vejiga, en la orina o en el riñón

Comunicación de efectos adversos

Si experimenta cualquier tipo de efecto adverso, consulte a su médico o farmacéutico, incluso si se trata de posibles efectos adversos que no aparecen en este prospecto. También puede comunicarlos directamente a través del sistema nacional de notificación incluido en el Apéndice V. Mediante la comunicación de efectos adversos usted puede contribuir a proporcionar más información sobre la seguridad de este medicamento.

5. Conservación de Lyfnua

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

No utilice este medicamento después de la fecha de caducidad que aparece en el blíster y la caja después de “CAD”. La fecha de caducidad es el último día del mes que se indica.

Este medicamento no requiere condiciones especiales de conservación.

No utilice este medicamento si observa que el envase está dañado o muestra signos de manipulación.

Los medicamentos no se deben tirar por los desagües ni a la basura. Pregunte a su farmacéutico cómo deshacerse de los envases y de los medicamentos que ya no necesita. De esta forma, ayudará a proteger el medio ambiente.

6. Contenido del envase e información adicional

Composición de Lyfnua

El principio activo es gefapixant. Cada comprimido recubierto con película contiene 45 mg de gefapixant (como citrato).

Los demás componentes son sílice (coloidal anhidra) (E 551), crospovidona (E 1202), hipromelosa (E 464), estearato de magnesio (E 470b), manitol (E 421), celulosa microcristalina (E 460), fumarato de estearilo y sodio. Los comprimidos están recubiertos con película con un material de recubrimiento que contiene los siguientes componentes: hipromelosa (E 464), dióxido de titanio (E 171), triacetina (E 1518) y óxido de hierro rojo (E 172). Los comprimidos están pulidos con cera de carnauba (E 903).

Aspecto del producto y contenido del envase

Lyfnua es un comprimido de color rosa, redondo y convexo, grabado con “777” en una cara y liso en la otra.

Lyfnua está disponible en blísteres de PVC/PE/PVdC de color blanco, opacos, con cubierta de lámina de aluminio de abertura a presión.

Lyfnua está disponible en envases de 28, 56 y 98 comprimidos recubiertos con película en blísteres no perforados (14 comprimidos por placa) y envases múltiples con 196 (2 envases de 98) comprimidos recubiertos con película en blísteres no perforados.

Puede que solamente estén comercializados algunos tamaños de envases.

Titular de la autorización de comercialización y responsable de la fabricación

Merck Sharp & Dohme B.V.

Waarderweg 39

2031 BN Haarlem

Países Bajos

Pueden solicitar más información respecto a este medicamento dirigiéndose al representante local del titular de la autorización de comercialización:

België/Belgique/Belgien

MSD Belgium

Tél/Tel: +32(0)27766211

[email protected]

Lietuva

UAB Merck Sharp & Dohme

Tel. +370 5 2780 247

[email protected]

Texto en idioma búlgaro mostrando nombre de empresa Merck Sharp & Dohme Bulgaria, teléfono y dirección de correo electrónico

Luxembourg/Luxemburg

MSD Belgium

Tél/Tel: +32(0)27766211

[email protected]

Ceská republika

Merck Sharp & Dohme s.r.o.

Tel: +420 233 010 111

[email protected]

Magyarország

MSD Pharma Hungary Kft.

Tel.: +36 1 888 5300

[email protected]

Danmark

MSD Danmark ApS

Tlf.: + 45 4482 4000

[email protected]

Malta

Merck Sharp & Dohme Cyprus Limited

Tel: 8007 4433 (+356 99917558)

[email protected]

Deutschland

MSD Sharp & Dohme GmbH

Tel.: +49 (0) 89 20 300 4500

[email protected]

Nederland

Merck Sharp & Dohme B.V.

Tel: 0800 9999000

(+31 23 5153153)

[email protected]

Eesti

Merck Sharp & Dohme OÜ

Tel: +372 614 4200

[email protected]

Norge

MSD (Norge) AS

Tlf: +47 32 20 73 00

[email protected]

Ελλ?δα

MSD Α.Φ.Ε.Ε.

Τηλ: +30 210 98 97 300

[email protected]

Österreich

Merck Sharp & Dohme Ges.m.b.H.

Tel: +43 (0) 1 26 044

[email protected]

España

Merck Sharp & Dohme de España, S.A.

Tel: +34 91 321 06 00

[email protected]

Polska

MSD Polska Sp. z o.o.

Tel: +48 22 549 51 00

[email protected]

France

MSD France

Tél: + 33 (0) 1 80 46 40 40

Portugal

Merck Sharp & Dohme, Lda

Tel: +351 21 4465700

[email protected]

Hrvatska

Merck Sharp & Dohme d.o.o.

Tel: + 385 1 6611 333

[email protected]

România

Merck Sharp & Dohme Romania S.R.L.

Tel: +40 21 529 29 00

[email protected]

Ireland

Merck Sharp & Dohme Ireland (Human Health) Limited

Tel: +353 (0)1 2998700

[email protected]

Slovenija

Merck Sharp & Dohme, inovativna zdravila d.o.o.

Tel: +386 1 520 4201

[email protected]

Ísland

Vistor ehf.

Sími: + 354 535 7000

Slovenskárepublika

Merck Sharp & Dohme, s. r. o.

Tel: +421 2 58282010

[email protected]

Italia

MSD Italia S.r.l.

Tel: 800 23 99 89 (+39 06 361911)

[email protected]

Suomi/Finland

MSD Finland Oy

Puh/Tel: +358 (0)9 804 650

[email protected]

Κ?προς

Merck Sharp & Dohme Cyprus Limited

Τηλ.: 800 00 673 (+357 22866700)

[email protected]

Sverige

Merck Sharp & Dohme (Sweden) AB

Tel: +46 77 5700488

[email protected]

Latvija

SIA Merck Sharp & Dohme Latvija

Tel: + 371 67025300

[email protected]

Fecha de la última revisión de este prospecto:

La información detallada de este medicamento está disponible en la página web de la Agencia Europea de Medicamentos: https://www.ema.europa.eu

Online doctors for LYFNUA 45 mg FILM-COATED TABLETS

Discuss questions about LYFNUA 45 mg FILM-COATED TABLETS, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

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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.

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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.

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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.

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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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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:

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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.

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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.
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Jorge Correa Bellido

General medicine 7 years exp.

Dr. Jorge Correa Bellido is a Spanish physician who offers online consultations in Spanish and English. He graduated from the University of La Laguna and has a solid background in clinical practice and international research.

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Andrei Popov

General medicine 7 years exp.

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.

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Pain: how he can help

  • Chronic pain (more than 3 months
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General medicine

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  • Review of laboratory tests and MRI/CT reports (explained in clear language)
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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.

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Frequently Asked Questions

Is a prescription required for LYFNUA 45 mg FILM-COATED TABLETS?
LYFNUA 45 mg FILM-COATED 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 LYFNUA 45 mg FILM-COATED TABLETS?
The active ingredient in LYFNUA 45 mg FILM-COATED TABLETS is gefapixant. This information helps identify medicines with the same composition but different brand names.
Who manufactures LYFNUA 45 mg FILM-COATED TABLETS?
LYFNUA 45 mg FILM-COATED TABLETS is manufactured by Merck Sharp & Dohme B.V.. Pharmacy brands and packaging may differ depending on the distributor.
Which doctors can assess the use of LYFNUA 45 mg FILM-COATED 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 LYFNUA 45 mg FILM-COATED 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 LYFNUA 45 mg FILM-COATED TABLETS?
Other medicines with the same active substance (gefapixant) include ANGITUSS 6mg/mL SYRUP, BISOLVON CALMATOS 2.13 mg/ml ORAL SOLUTION, BRONCHOSTOP NITE 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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