My symptoms include low appetite, fatigue, extreme exhaustion, yellow skin dizzy, face rash. What could this be?

See your MD. This could be a variety of things, including an infection, hormonal imbalance, immune disorder, etc., but if your skin is truly yellow, you may have hepatitis. The whites of your eyes would also look yellow. In any case, see your MD to get checked out, including blood tests. Do this as soon as possible, since some cases of hepatitis are contagious.
Could be hepatitis. You describe some good signs & symptoms of acute hepatitis. See a doctor & have your liver enzymes checked.

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