Idiopathic pulmonary arterial hypertension is a rare condition that affects the blood vessels in the lungs and increases pressure in the pulmonary arteries. This condition can lead to breathing difficulty, fatigue, chest discomfort, and dizziness during daily activities. Early recognition of symptoms and timely medical evaluation may help improve quality of life and support long term health management. Doctors often use imaging tests, blood tests, and heart examinations to identify the condition and monitor progression. Understanding the symptoms, possible causes, and available treatment methods can help individuals and families stay informed about this chronic lung and heart related health condition.