Introduction Coughing is a natural reflex that helps clear the airways and protect the lungs. However, not all coughs are the same. Doctors often classify them as dry (non-productive) or wet (productive), depending on whether mucus or phlegm is present. Understanding the difference between these two types of cough is important, since their causes, treatments, and implications can vary widely. What is a Dry Cough? A dry cough does not produce mucus or phlegm. It often feels tickly, irritating, or scratchy. Common Causes Treatment Approaches What is a Wet Cough? A wet cough produces mucus (phlegm or sputum), helping to…