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Pulmonary Arterial Hypertension

Medically reviewed by Last updated on May 6, 2024.

What is pulmonary arterial hypertension (PAH)?

PAH is a condition that increases pressure in your pulmonary artery. The pulmonary artery is the large blood vessel that brings blood from your heart to your lungs.

What causes PAH?

PAH may be passed from a parent to a child. This is called familial PAH. PAH with no known cause is called idiopathic PAH. Associated PAH means another condition caused you to develop PAH. The following are common causes of associated PAH:

What are the signs and symptoms of PAH?

How is PAH diagnosed?

Your healthcare provider will ask about your medical history and examine you. You may need any of the following tests:

How is PAH treated?

PAH cannot be cured. The goals of treatment are to improve your health and stop PAH from getting worse. You may need any of the following:

Treatment options

The following list of medications are related to or used in the treatment of this condition.

View more treatment options

What can I do to manage PAH?

Call 911 for any of the following:

When should I seek immediate care?

When should I contact my healthcare provider?

Care Agreement

You have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your healthcare providers to decide what care you want to receive. You always have the right to refuse treatment. The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.