Introduction Cough is one of the most common reasons parents seek medical advice for their children. While most coughs are caused by mild viral infections, certain types can be more concerning. In children, conditions such as croup, whooping cough (pertussis), and the common cold often present with cough as a key symptom, but each has its own distinct features and management approaches. Recognizing the differences helps parents respond appropriately and know when to seek medical care. 1. Croup Croup is a viral infection that causes swelling in the upper airways, particularly the voice box (larynx) and windpipe (trachea). 2. Whooping…