Adult Laryngotracheobronchitis in the Setting of a COVID-19 Infection.

We describe a case of adult croup in an 18-year-old female caused by the SARS-CoV-2 virus. Her complaints started as lower respiratory tract symptoms that evolved into stridor, barking cough, and dyspnea. The patient was diagnosed with SARS-CoV-2 by reverse transcription-polymerase chain reaction (RT-PCR) testing from a nasopharyngeal swab. The patient received multiple doses of nebulized racemic epinephrine with minimal improvement, and later the patient required mechanical ventilation. Intravenous remdesivir was administered for five days. Multiple doses of dexamethasone were required throughout the course of the illness. Croup in adults secondary to COVID-19 infections appears to be severe and might be poorly responsive to standard treatment protocols.