Oxitropium bromide is primarily used as a bronchodilator in the treatment of respiratory conditions such as chronic obstructive pulmonary disease (COPD) and asthma. It works by relaxing the muscles in the airways, making it easier to breathe. This medication is often administered via inhalation, ensuring it acts directly on the lungs for rapid relief. It is particularly beneficial for patients who experience bronchospasms or difficulty in breathing due to chronic respiratory issues. Additionally, oxitropium bromide is sometimes used in combination with other medications to enhance its therapeutic effects, providing better management of symptoms and improving overall quality of life for patients.