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Giant cell arteritis (GCA)

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Giant cell arteritis (GCA) is inflammation of the blood vessels. It is also called temporal arteritis. It mostly affects the arteries that carry blood to the head, especially those that supply the eyes, temple, and jaw. The most common symptom is a new headache, often near the temple or around the eye.

GCA is treated with steroid medicines, which reduce inflammation. If GCA is not treated right away, it can cause loss of vision.

Some people who have giant cell arteritis also have polymyalgia rheumatica. This is another inflammatory condition that affects the muscles.

Current as of: July 31, 2024

Author: Ignite Healthwise, LLC Staff

Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

Current as of: July 31, 2024

Author: Ignite Healthwise, LLC Staff

Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

The Health Encyclopedia contains general health information. Not all treatments or services described are covered benefits for Kaiser Permanente members or offered as services by Kaiser Permanente. For a list of covered benefits, please refer to your Evidence of Coverage or Summary Plan Description. For recommended treatments, please consult with your health care provider.