What is cough? Coughing is a natural reflex that helps clear the airways of irritants such as mucus, dust, smoke, or pathogens. While it is often a symptom of a viral or bacterial infection, coughing can also be triggered by allergies, smoking, or environmental factors. Coughs are typically categorized according to their duration and the … Continue reading What is Cough: Types, Medications, and Home Remedies