Minerva medica
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Chronic cough is a common symptom, addressed in the clinical setting by empirical treatment together with some laboratory investigations. The aim of the present study was to investigate the value of testing eosinophilic cationic protein (ECP) serum levels combined with other diagnostic procedures and empirical treatment in the diagnostic workup of chronic cough. ⋯ Serum ECP concentration could represent a useful biomarker in the clinical work-up of chronic cough, managing to differentiate asthma from other chronic disorders.