Budesonide Suspension is not intended to treat coughs, but can be used to relieve cough symptoms in some cases, such as bronchial asthma, obstructive pulmonary disease and other diseases caused by cough. Budesonide Suspension has no direct cough suppressant effect, it is an inhaled glucocorticoid that mainly acts as an anti-inflammatory agent. Budesonide inhalation reduces the inflammatory response of the airways and decreases the secretion of the mucous membranes of the airways. Therefore, in certain diseases, such as bronchial asthma, obstructive lung disease and other causes of cough, the application of budesonide suspension can play a role in relieving cough symptoms. Adverse reactions such as headache, nausea and vomiting may occur during the use of this drug, and it is contraindicated for those who are allergic to it. The use of the drug needs to be rationally applied under the guidance of a doctor.