10 Symptoms of Pheochromocytoma

7. Shortness of Breath

Also called dyspnea or hyperventilation, shortness of breath can feel like you are unable to breathe properly, or deeply for periods of time, or a feeling that you can't get enough air into your lungs. It is commonly associated with chest and neck pain and can lead to dizziness and fainting. There are many causes of shortness of breath, and your doctor will determine exactly when, how often, how severe the attacks are to make a short list of reasons why it is occurring. It is also a direct reaction to blocked adrenal glands.