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Although most children with croup improve after 48 hours, there are some cases that will take longer to resolve. In a small number of cases, admission to a hospital for more intensive management may be required. Of those admitted, only 1%-2% will be severe enough to require a breathing tube with mechanical ventilation or pediatric intensive care.
Bjornson, C., and D. Johnson. "Croup." Lancet 2008; 371: 329–39
Medically Reviewed by a Doctor on 6/20/2014
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