What are the 5 common ailments of the respiratory system?

Five common ailments of the respiratory system include Asthma, which causes difficulty in breathing due to airway inflammation; chronic obstructive pulmonary disease (COPD), characterized by persistent respiratory symptoms and airflow limitation; pneumonia, an infection that inflames the air sacs in one or both lungs; bronchitis, which involves inflammation of the bronchial tubes leading to coughing and mucus production; and Allergies, which can trigger respiratory symptoms such as sneezing, wheezing, and nasal congestion. These conditions can vary in severity and may require different treatment approaches.