im 18 years old and generally thin but Every time i try to eat i end up feeling sick, reaching or actually being sick. For about three days i have had really bad discomfort in my stomach constantly. i keep feeling thirsty but every time im have a drink i feel like i am going to vomit. i constantly feel tired, but when i try to sleep i am really restless. i cant get an appointment at my doctors cause the only time is next month but im in agony. i dont know what to do. what would you advise.