Have Had Chronic Eye Fatigue, Intermittently Pulsation Of My Scalp

Have had chronic eye fatigue, intermittently pulsation of my scalp mainly to the right of my head..right gland is slightly swollen ,...back of the throat is slightly red and swollen . Currently on antibiotics it has help some...but it is the chronic eye fatigue that has me worried...never smoke..but I do drink beer ..and probably have to much caffeine ..I work out almost daily...blood pressure and pulse is normal I am 55. I do on occasion take Xanax for anxiety