I developed flu symptoms (headache, malaise, feverish, nausea), and then a cyst literally popped up on my shin. Then, a few days later another cyst popped up on top of my lower arm just below the joint (approx. 1 inch). The arm one is much more painful, esp. with movement. Are the flu (which I am still having symptoms, but lessened) and cysts connected? (60 yr old, 5 ft. 3 in., excellent health).