What is Giant Cell Arteritis?

Old guy suffering from headache due to Giant cell arteritis

Giant Cell Arteritis, also known as temporal arteritis, is the inflammation of the lining of the arteries and large blood vessels of the scalp, neck and arms. It can affect your arteries in your head especially in temple area. Giant cells arthritis often cause headache, tenderness of scalp, vision problems and jaw pain. Giant cell arteritis can cause blindness if not treated.