Treatment of Postviral Nonasthmatic Cough with Corticosteroids
Patients with a history of prolonged cough after upper respiratory infections with no evidence of asthma may improve dramatically with the use of oral corticosteroids.
Dr. Strauss and The Cleveland Allergy and Asthma Center published this paper in the Journal of Allergy, Asthma & Immunology: In Practice.
The full article also available here in PDF format.