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One such reflex is a cough. This is typically triggered when the larynx senses that something has penetrated this upper portion of the airway. The cough, then, acts as a protective mechanism, serving to cough out or expel something at risk for being inhaled. There are normal reflexive thresholds or âtriggersâ that exist in the larynx. When these thresholds are lowered (i.e., more sensitive), less stimulation is required to trigger a cough.
Do you ever cough after eating? Coughing is usually caused by sudden irritation in the throat or air passages, or it might be a reflexive action that results from a nervous disorder or gastric problems. Sometimes eating ice cream or drinking cold products might trigger a bout of coughing.