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.
In most cases, styes don't require medical care. Call your health care provider if: 1  The stye doesn't heal in a week or 10 days. 2  The stye becomes more painful or swollen after several days of home treatment.3  The person also has fever or chills. 4  The person develops vision problems.n most cases, styes don't require medical care. Call your health care provider if: 1  The stye doesn't heal in a week or 10 days. 2  The stye becomes more painful or swollen after several days of home treatment. 3  The person also has fever or chills. 4  The person develops vision problems.