• Shortness of breath

• Feeling more tired than usual

• Feeling light-headed or passing out

• You may experience chest pain

• Swelling of the feet and ankles which may progress to your stomach.

 

Patients with PAH may also feel like their heart is racing (palpitations) and the oxygen level in your blood may become very low. 

 

In the early stages there may be no symptoms of the disease.