Irritant choking cough is when odorous gas, water or food enters the trachea and therefore produces an irritating coughing response, which covers the throat when eating, and if one were to speak at this time, the moment of inhalation would suck the food at the throat into the trachea, producing a strong cough. This cough is a defensive measure, mainly to expel foreign bodies in the trachea, irritating choking cough is recommended to go to the hospital for a CT examination to see if there are any pathological problems in their own bronchial tubes or lungs. If the abnormality can follow the doctor’s advice on medication, there are also many allergic cough is inhaled allergic gas, can be nebulized inhalation of anti-allergy drugs.