Its expectorant action is caused by irritative action on the bronchial mucosa, which causes the production of excess respiratory tract fluid, which presumably is easier to cough up.
This process causes the production of excess respiratory tract fluid which presumably is easier to cough up. Its expectorant action is caused by irritative action on the bronchial mucosa.
Its expectorant action is caused by irritative action on the bronchial mucosa. This process causes the production of excess respiratory tract fluid which presumably is easier to cough up.
Its expectorant action is caused by irritative action on the bronchial mucosa. This process causes the production of excess respiratory tract fluid which presumably is easier to cough up.