Budesonide/glycopyrronium bromide/formoterol, sold under the brand name Breztri Aerosphere among others, is an inhalable fixed-dose combination medication for the treatment of chronic obstructive pulmonary disease (COPD). It contains budesonide, glycopyrronium bromide, and formoterol fumarate dihydrate. It is inhaled. The most common side effects include oral candidiasis (a fungal infection of the mouth), upper respiratory tract infection, pneumonia, back pain, muscle spasms, influenza, urinary tract infection, cough, sinusitis, and diarrhea. Headache is also a common side effect.