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One-fourth of patients with bronchiolitis seen in US emergency departments between 2007 and 2015 received antibiotics; 70% of them had no documented bacterial coinfection. Macrolides were prescribed in 38% of the cases. Antibiotic use did not decrease after national recommendations against routine prescribing. Efforts are needed to reduce unnecessary and inappropriate antibiotic use for bronchiolitis.
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Papenburg et al. (2018) studied this question.
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