But they often have symptoms of some autoimmune disease, like being tired all the time and pain. 1  CFS can cause you to be very tired, have trouble concentrating, feel weak, and have muscle pain. 2  Symptoms of CFS come and go. 3  The cause of CFS is not known.
Best Answer: A sty is a noncontagious infection of the eyelash follicle, it can be caused by effects of medication, hyperventilation, stress, anxiety, drinking alcohol,Styes are very common and are not a serious problem. Most will go away on their own. i really hope this helps.
Symptoms of Styes. Typically, the first thing you will notice is a lump that resembles a pimple near the root of your eyelash. After that, the lump may grow, becoming more painful and swollen over the course of several days. Eventually, the lump may burst, and drain. Treatment for Styes