Hi @mrspunkin,
After about nine months suffering with PMR, I had a very stiff neck and short stabbing pains from my ear to my nose on the right side of my face plus a few times I could not see out of my right eye. Also, a tender scalp. I had a temporal artery biopsy on my right side and it was positive for GCA.
As @johnbishop mentioned, GCA is more serious than PMR. A doctor friend told me that if I experienced any visual disturbances I should go to the Emergency Room. as, untreated, GCA, which also ncan cause headaches, visual disturbances and trouble chewing, can result in stroke or blindness if not treated properly.