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The joy of breathing freely rediscovered through every smell

When your Chronic Nasal Polyps (CRSwNP) symptoms are under control, you may experience the world with greater vitality.

Are you living with Chronic Nasal Polyps (CRSwNP)?

Common symptoms like congestion, a loss of smell or a constantly drippy nose may stop you enjoying life to the fullest. But they don't have to!  

 

Here you can explore more about CRSwNP - or NP as many people call it - so you can take the next steps towards reclaiming those little joys in life that Chronic Nasal Polyps can get in the way of. 1

What's in a name?

Chronic Rhinosinusitis with Nasal Polyps (CRSwNP) is the full name for the condition often called Nasal Polyps or NP - but it's important to know the difference. On this website, we call the condition Chronic Nasal Polyps and only use 'nasal polyps' for the growths inside your nose.²

C is for Chronic = something that lasts a long time, even a lifetime 
RS is for RhinoSinusitis = infection and inflammation of the nasal passages and sinus cavities 
w is for with 
N is for Nasal = nose 
P is for Polyps = growths in your body 

How well do you know CRSwNP? 

Do you know that Type 2 inflammation is an underlying cause of CRSwNP? Find out more about the role it plays.1

Inflammation and CRSwNP

Navigating life with CRSwNP

CRSwNP symptoms can have a big impact on your everyday life. Find tips, tools and advice to help make life with CRSwNP a little easier.13

Well-being and CRSwNP

Taking charge of your CRSwNP

Finding the best treatment for you begins with knowing your options. Find an overview of CRSwNP treatments.

Discover treatment options

  1. Mullol & al. Chronic Rhinosinusitis with Nasal Polyps: Quality of Life in the Biologics Era. Journal of Allergy and Clinical Immunology: In Practice. 2022;10(6): 1434-1453.
  2. Laidlaw & al. Chronic Rhinosinusitis with Nasal Polyps and Asthma. Journal of Allergy and Clinical Immunology: In Practice. 2021;9(3):1133-1141.
  3. Claeys & all. Patients Unmet Needs in Chronic Rhinosinusitis with Nasal Polyps Care: a Patient Advisory Board Statement of EUFOREA. Frontiers in Allergy. 2021;2:1-9. doi: 10.3389 /falgy .2021 .761388.
  4. Hop. Do Adult Forms of Chronic Rhinosinusitis Exist in Children and Adolescents? Sinusitis. 2017;2(7):1-9.
  5. Cleveland Clinic. Inflammation. 2021. https://my.clevelandclinic.org/health/symptoms/21660-inflammation?view=print 
  6. Cleveland Clinic. Nasal Polyps. 2025. https://my.clevelandclinic.org/health/diseases/15250-nasal-polyps
  7. Allergy & Asthma Network: What is Chronic Rhinosinusitis with Nasal Polyps (CRSwNP)? https://allergyasthmanetwork.org/health-a-z/chronic-rhinosinusitis-with-nasal-polyps-crswnp/
  8. Ramkumar & al. Considerations for shared decision-making in treatment of chronic rhinosinusitis with nasal polyps. Frontiers in Allergy. 2023;1-13. Di 10.3389/falgy.2023.1137907
  9. De Corso & al. Chronic Rhinosinusitis with Nasal Polyps: A Survey on Routine Management and Evaluation of Disease Control in Practice. Journal of Personalized Medicine. 2023;13(1531):1-10.
  10. Bandoim. Coping With Nasal Polyps. VeryWellHealth. 2021.
  11. Cleveland Clinic. Rhinitis Medicamentosa. 2022. https://my.clevelandclinic.org/health/diseases/23393-rhinitis-medicamentosa
  12. Asthma and Allergy Foundation of America. Life with Nasal Polyps. 2024. https://aafa.org/asthma-allergy-research/our-research/life-with-nasal-polyps-crswnp/
  13. Teeling & al. Nasal polyp syndrome: a patient-centred term for CRSwNP by EUFOREA. Frontiers in Allergy. 2024, 1-6. DOI 10.3389/falgy.2024.1372919.
  14. Hwee & al. The chronic rhinosinusitis with nasal polyp patient journey in the United States and Europe. Allergy, Asthma & Clinical Immunology. 2024;20:17;1-4. 

Sanofi Belgium, MAT-BE-2500577. V.1. 05/2025