The cough reflex helps us to clear our airways of irritants and mucus, and is a normal part of the body’s defence system. But coughing can be a symptom of an underlying health problem.
Coughing is a very common complaint
Common causes include allergies, asthma and a post-nasal drip
Smoking is a major risk factor for chronic coughing
See a doctor if you’ve been coughing for more than two weeks
Coughing is a normal reflex and a result of the stimulation of the cough receptors. But it can also be a symptom of underlying disease.
Keertan Dheda is Professor of Respiratory Medicine, Director of the Lung Infection and Immunity Unit and Head of the Division of Pulmonology, Department of Medicine, at the University of Cape Town. Ask a question
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