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Signs and Symptoms of PAH

Signs and symptoms of pulmonary hypertension may not be obvious at first, but they can worsen over time and can begin to limit daily activities. Common PAH symptoms include1:

Some of the early symptoms of PAH that you may experience:
  • Breathlessness or shortness of breath
  • Chronic fatigue
  • Dizziness
  • Fainting
  • Swollen ankles and legs
  • Chest pain, especially during physical therapy

Symptoms and classification

The New York Heart Association (NYHA) functional classification system is an important method your doctor may use to measure the severity of your symptoms to decide what type of treatment is right for you.2

  • Class I
  • No limitations in usual physical activity and very mild symptoms.
  • Class II
  • Normal activity causes some shortness of breath, tiredness, chest pain, or lightheadedness.
  • Class III
  • Even mild activity causes shortness of breath, tiredness, chest pain, or lightheadedness, and is significantly limited because of these symptoms.
  • Class IV
  • Shortness of breath, tiredness, chest pain, and lightheadedness, even at rest.

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