Nonasthmatic eosinophilic bronchitis
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Synopsis

Patients are typically in middle age. Attacks are typically brought on by exposure to an airway irritant such as dust. Coughing responds to inhaled or oral corticosteroids. While some studies suggest that it is a benign and self-limited disease, others hypothesize that the condition is a precursor to asthma.
Diagnosis requires demonstration of elevated eosinophils in the sputum or airway mucosa.
Codes
ICD10CM:J42 – Unspecified chronic bronchitis
SNOMEDCT:
63480004 – Chronic bronchitis
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Diagnostic Pearls
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Differential Diagnosis & Pitfalls
- Asthma – In contrast to eosinophilic bronchitis, will show airway hyperresponsiveness and will respond to bronchodilators.
- Cough-variant asthma
- Atopic cough
- Chronic bronchitis
- Bronchiectasis
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Management Pearls
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Therapy
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References
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Last Reviewed:07/12/2019
Last Updated:07/15/2019
Last Updated:07/15/2019