A dry cough can be a symptom of various conditions, including allergies, asthma, postnasal drip, or a side effect of certain medications. However, it can also be a symptom of more serious conditions, such as lung cancer. While a cough that is associated with a cold or respiratory infection typically resolves within a week or two, a persistent cough that lasts for an extended period of time without improvement can be concerning. It's important not to dismiss a stubborn cough, whether it's dry or produces mucus, and to seek medical attention if it continues for longer than expected. read more >>

Cough that won't quit. Be on alert for a new cough that lingers. A cough associated with a cold or respiratory infection will go away in a week or two, but a persistent cough that lingers can be a symptom of lung cancer. Don't be tempted to dismiss a stubborn cough, whether it's dry or produces mucus.read more >>