Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Δευτέρα 12 Μαρτίου 2018

Contact allergy to benzalkonium chloride in patients using a steroid nasal spray: A report of 3 cases

Jerome Rene Lechien, MD, PhD, MS; Pedro Costa de Araujo, MD; Lisa G. De Marrez, BSc; Jean-Luc Halloy, MD; Mohamad Khalife, MD; Sven Saussez, MD, PhD

Abstract

Benzalkonium chloride (BAC) is a bactericidal preservative excipient commonly found in steroid nasal sprays used to treat allergic rhinitis and nasal polyposis. In rare cases, BAC can be responsible for type I and type IV hypersensitivity reactions that can manifest as rhinorrhea, which a clinician might misinterpret as a lack of response to nasal spray therapy rather than a complication of it. We report 3 cases of type IV hypersensitivity reactions in patients who were being treated with mometasone nasal spray. We describe the epidemiology, clinical features, diagnosis, and treatment of these reactions.

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