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As the aerosol/chemical agent enters the respiratory system it will cause discomfort and inflammation. This discomfort and inflammation will cause coughing which can be severe at times and may cause the subject to vomit from the coughing spasm. The body"s natural defense is to attempt to expel the foreign material that has entered by coughing.
Bronchoconstriction and mucus production may also develop in response to the irritation and inflammation. The patient now has to clear the foreign particles and the secretions that have built up in response to the OC. |