Inhaled corticosteroids can help manage COPD by reducing inflammation and swelling in the airways, which can ease symptoms like shortness of breath and wheezing. They are not the primary treatment but are often used alongside bronchodilators to improve lung function and reduce exacerbations. Common side effects are mild but can include oral thrush, bruising, and slower growth in children. Long-term use may increase the risk of pneumonia and osteoporosis. It's important to rinse your mouth after use to reduce the risk of thrush.