Each year, May 5 marks World Pulmonary Hypertension Day \u2014 the annual event when the world\u2019s PH community raises awareness of this often misdiagnosed condition.\nMore than 25 million people worldwide suffer from pulmonary hypertension, which is high blood pressure in the lungs\u2019 blood vessels.\nWhat Is Pulmonary Hypertension?\nHigh blood pressure within the lungs causes the right side of your heart to work harder than it typically needs to. As a result, pulmonary hypertension is often associated with heart failure and left\u00a0heart disease.\n\nSymptoms of PH include shortness of breath, chest pain, lightheadedness, and swelling of the ankles or stomach.\nPH affects people of all ages and ethnic backgrounds. Those with a family history of PH are at a higher risk of developing the condition.\nThis chronic and life-altering diagnosis is difficult to make during a routine medical check-up.\nFind out more by reading our guide to pulmonary hypertension.\n\nEarly diagnosis is key. The only way to receive a diagnosis is to consult with a physician or pulmonologist who specializes in treating lung diseases.\n\nAbout World PH Day\nWorld PH Day is a celebration of the people whose lives are affected by pulmonary hypertension \u2014 and a rallying cry for early detection, preventative treatment, and research. This year, more than 80 health organizations will take part in World PH Day awareness activities, according to WorldPHDay.org\nWhy May 5?\nMore than 30 years ago on this day, the first child\u2019s death as a result of pulmonary hypertension was recorded. The child, who was from Spain, suffered from PH as a result of consuming toxic rapeseed oil.\nLearn More About Pulmonary Hypertension\nVisit the UPMC Pulmonary Hypertension Program webpage for more information on PH treatment and diagnosis.