Respiratory Medicine is a branch of internal medicine concerning the diagnosis and treatment of conditions affecting the respiratory system, which includes the nose, throat, larynx, windpipe, lungs and diaphragm.

Examples of such conditions are:

• Asthma
• Pulmonary hypertension
• Sleep apnea
• Infections
• Tumours

The nature of the lung conditions can be inherited, congenital, infective, inflammatory, vascular, malignant, allergic, sleep-related, neuromuscular, or airway-related.