The most common and prominent symptoms in patients with pulmonary hypertension (high blood pressure in the lungs) are shortness of breath and palpitations. Patients often experience a reduction in their exercise capacity and rapid fatigue during daily activities. The symptoms caused by pulmonary hypertension can vary and may differ depending on the stage of the disease. The main symptoms include: Shortness of breath, fatigue, dizziness, fainting (syncope), angina (chest pain), palpitations, swelling (edema) in the ankles, legs, and abdomen, difficulty performing daily physical activities, cough, weakness, rapid tiring, and a bluish discoloration of the lips and skin (cyanosis).