Temporal arteritis is inflammation of the arteries. It affects the arteries in the head, neck, and upper body. The temporal artery is most often affected. It runs over the temple, to the outside of the eye. In extreme or untreated cases, this condition can lead to blindness or strokes.

Two other terms often associated with this condition include:

  • Giant cell arteritis (GCA)
  • Vasculitis

Temporal Arteritis
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The cause of temporal arteritis is not known. It may result from an autoimmune response in the body. An autoimmune disease is a condition in which the immune system mistakes the body’s own tissue for a foreign invader, attacking and damaging it.