We can choke on food, for instance. This phenomenon refers to the immediate reflex experienced to clean the throat from the foreign bodies or other unnecessary elements. Those could be bacteria or microbes. It’s a quick expulsion of air from the lungs. When the lungs turn inflamed, it is hard to quit coughing. The process may last for a while until the patient starts feeling pain in his throat. It happens because of the annoyed membranes produce extra mucus.