budesonide corticosteroid drug. used in treatment of copd, asthma, ulcerative colitis, hay fever, crohn\'s disease, etc

budesonid budesonide glucocorticoid steroid asthma copd rhinitis hay fever crohn inflammatory bowel disease ulcerative colitis corticosteroid carbon hydrogen oxygen drug therapy medicine medicinal product pharmacology pharmacy pharmaceutical pharma treatment generic molecule atoms chemical chemistry composition atomic model molecular