Olodaterol hydrochloride is primarily used as a long-acting beta2-adrenergic agonist (LABA) for the treatment of chronic obstructive pulmonary disease (COPD). It works by relaxing the muscles in the airways, improving breathing in patients with COPD. The medication is typically administered via inhalation, ensuring direct delivery to the lungs for effective symptom relief. It helps reduce exacerbations, improve lung function, and enhance overall quality of life for patients. Olodaterol is often used as a maintenance treatment, meaning it is taken regularly to manage symptoms rather than for immediate relief during an acute attack. It may be prescribed as a monotherapy or in combination with other COPD medications, such as anticholinergics, for better management of the condition.