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You are seeing a toddler with 2 days of cough, congestion, and low-grade fever, who now presents with a worsened barky cough. His vital signs in the ED are temp 38.3 C, HR 110, RR 26, BP 80/40, O2 sat 96% on room air. He has stridor when crying but none at rest. He has no history concerning for foreign body aspiration. He is not happy to be in the ED but is not toxic appearing. He is fully immunized and has no significant past medical history.