The quality of evidence is downgraded by study limitations (unclear allocation concealment and blinding), and by imprecise results (few patients).
A Cochrane review included 2 studies with a total of 98 children to evaluate the efficacy of inhaled corticosteroids (ICS) in reducing the severity of cough in children with subacute cough (defined as cough duration of 2 to 4 weeks). All participants were infants with post acute bronchiolitis illness. There was no significant difference between groups in the proportion of children 'not cured' at follow-up (OR 0.61, 95% CI 0.24 to 1.55).
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