There are many reasons for gas-stimulated coughing, such as bronchial asthma, chronic pharyngitis and so on. 1. Bronchial asthma: the main symptoms are irritating cough, wheezing, shortness of breath, chest tightness, etc., in severe cases, there will be respiratory distress, the main cause is contact with pollen, paint, reactive dyes and other irritating odors induced by a small number of patients can also be induced by psychosomatic factors or food allergies. 2. Chronic pharyngitis: mainly manifested as irritating dry cough, pharyngeal foreign body sensation, and in severe cases, there will even be pharyngeal pain and itching, dyspnea, and even suffocation, etc., mainly triggered by irritating odors, smoking, environmental pollution, spicy and stimulating diet can easily aggravate the condition. Therefore, there are many reasons for coughing irritated by gas, patients should consult a doctor in time to clarify the cause of the disease, under the guidance of the doctor for treatment, so as not to delay the condition.