You should rinse your mouth immediately after using budesonide aerosol. Because budesonide aerosol is a glucocorticoid with anti-allergic and anti-inflammatory effects, throat irritation and hoarseness may occur after use and can also lead to fungal infections. Therefore, we must rinse our mouth after using this medication so as to prevent fungal infections and other adverse reactions to the oral cavity. Budesonide Aerosol is mainly used for bronchial asthma and to relieve the symptoms of asthma. It is important to follow the correct procedure when using it.