Budesonide inhaler is generally budesonide powder inhaler, due to different manufacturers and regional price differences, generally ranging from about $100. This product is indicated for patients with bronchial asthma who require maintenance therapy with glucocorticoids to control underlying inflammation, and for patients with chronic obstructive pulmonary disease (COPD), where regular use of this product may slow the accelerated decline in FEV1 in patients with COPD. Adverse reactions such as hoarseness, cough, throat irritation, oropharyngeal candida infection, dysphagia, urticaria, rash, dermatitis, apprehension, and nervousness may occur with the use of this product. It should be noted that to prevent adverse reactions, adequate mouth rinsing is required after inhalation. It is contraindicated for those who are allergic to any of the components of this product. If you need to use budesonide powder inhaler patients, it is recommended to go to a regular hospital, under the guidance of the doctor to use, and master the correct inhalation method, so as not to delay the condition.