Clinical Research Directory

Inclusion Criteria: * Previous episode(s) with asthma-like symptoms and / medical treatment with SABA as mono-therapy or SABA in combination with ICS and possibly LTRA. * The parent/guardian(s) agrees to admit the child and is willing to follow the procedure of the trial. * The child is between 12-71 months old. * Fluent Danish skills with parents / guardians. Exclusion Criteria: * Known allergy to macrolide antibiotics. * Known impaired liver function. * Known renal impairment. * Known with neurological or psychiatric diseases. * Known with congenital or documented acquired QT interval. * Known for clinically relevant bradycardia, cardiac arrhythmia or severe heart failure. * Clinical signs of pneumonia (Objective findings, including severe tachypnoea: respiratory rate (RF)\> 50 and / or Fever: temperature\> 39 °C and / or C-reactive protein (CRP)\> 50).