Patients may present with persistent cough, breathlessness, wheezing, chest tightness, recurrent infection, low oxygen levels or reduced exercise tolerance. Assessment combines respiratory history and examination with chest imaging, blood tests, pulmonary function testing and other targeted investigations according to the clinical picture. Treatment can include inhaled or oral medicines, antibiotics, oxygen or ventilatory support, preventive advice and rehabilitation, with hospital admission for severe illness. The department aims to establish the cause, control symptoms and help patients breathe more comfortably and remain active.