Study breathes new life into cold air for croup theory

Swiss doctors have found evidence to back the strategy but say the benefits disappear after an hour.
HealthDay News

Paediatricians have suspected it for years, but now a new study may be proving them right: cold air really can help ease children’s croup symptoms.

In addition to dexamethasone, 30 minutes of outdoor cold air exposure is beneficial in reducing the severity of symptoms in children with croup compared with indoor ambient room air, Swiss doctors report.