Honey and Coffee for Persistent Cough: Mechanisms, Clinical Evidence, and How It Compares to Prednisolone (2026 Review)
Introduction: Why Post-Infectious Cough Is So Difficult to Treat A cough that lingers for weeks after a respiratory infection is one of the most common — and frustrating — clinical complaints in primary care. Known medically as post-infectious cough , it often persists for 3–8 weeks after a viral upper respiratory infection. Patients are typically otherwise well. Chest X-rays are normal. Inflammatory markers are unremarkable. Yet the cough remains. In many cases, physicians prescribe expectorants such as Guaifenesin or short courses of corticosteroids like Prednisolone. In 2013, a randomized trial published in a journal of the Primary Care Respiratory Society reported something unexpected: A honey and coffee preparation reduced cough severity more than prednisolone over one week. The finding sparked attention. But does it hold up mechanistically? Clinically? Biologically? This article explores: The pathophysiology of post-infectious cough How prednisolone works — and where it falls s...