a. History: Subacute, greater than 3 weeks to less than 8 weeks

Differential Diagnosis

Postinfectious cough (eg, respiratory viruses, pertussis, COVID-19), exacerbations of underlying diseases (eg, asthma, chronic obstructive pulmonary disease [COPD], and chronic rhinitis)

Pivotal Assessment Finding

Further History

 Paroxysms of coughing that may be associated with an inspiratory whoop and/or post-tussive emesis Runny nose, sorethroat