Budesonide is a glucocorticoid steroid for the treatment of asthma, non-infectious rhinitis (including hay fever and other allergies), and for treatment and prevention of nasal polyposis. Additionally, it is used for inflammatory bowel disease. It is marketed by Astra Zeneca as a nasal inhalation with the brand name Rhinocort, as an oral inhalation with the brand name Pulmicort, and as an enema and a modified-release capsule with the brand name Entocort.