Finnish Children´s Protracted Cough

Inclusion Criteria: * Prolonged cough lasting continuously for more than 4 weeks * No chronic disease requiring continuous medication (i.e. a generally healthy child) * No previous physician-diagnosed condition associated with prolonged cough episodes * No physician-identified symptoms or findings suggestive of an underlying disease * No prior physician-diagnosed allergic reaction or other severe or life-threatening adverse reaction to the investigational medicinal products (fluticasone or amoxicillin-clavulanic acid) * No simultaneous participation in another clinical drug trial * Parents/guardians have sufficient spoken and written Finnish language proficiency * Written, voluntary informed consent provided by a parent or legal guardian Exclusion Criteria: Children with symptoms or findings suggestive of an underlying cause of cough, including: * A previously physician-diagnosed disease associated with prolonged cough * Clinical examination or history at the study visit raising suspicion of a disease associated with prolonged cough (positive "cough pointers") * Abnormal lung function test * Abnormal chest X-ray (peribronchial markings are permitted) Additional exclusion criteria: * Prior physician-diagnosed allergic reaction or other severe or life-threatening adverse reaction to the investigational medicinal products * Simultaneous participation in another clinical drug trial * Prolonged cough that has resolved spontaneously prior to the study visit