Chronic coughs can be "symptomatic," meaning they have an underlying cause, or "refractory," meaning they continue despite recommended treatment. Mucus produced from a wet cough can be clear ...
About 4% to 10% of the adult population experiences chronic cough — a cough lasting eight weeks or more, or at least four weeks for children. A chronic cough doesn't call for immediate medical ...
You may also cough up mucus tinged with blood, which can be mostly clear, yellow, or green in appearance ... For example, if you have a respiratory infection or pneumonia, you may also have: If you ...