Cough: A reflex action involving sudden noisy expulsion of air from the lungs. Cough is not always related to an underlying condition. It may be caused by: irritants such as smoke, dust, drug side effects, improperly swallowing food or water, post nasal alisaxxx.xyz about cough. Chronic cough is one that lasts longer than eight weeks in an adult and four weeks in a child. If coughing is having a negative impact on your life, contact your healthcare provider to find a cause. .
Apr 23, · Coughing is your body’s way of getting rid of an irritant. When something irritates your throat or airway, your nervous system sends an alert to your brain. Your brain responds by telling the. Jun 13, · By Mayo Clinic Staff While an occasional cough is normal, a cough that persists may be a sign of a medical problem. A cough is considered "acute" if it lasts less than three weeks. It is .