I can't keep nothing down now & this headache been here almost 3 days , my body shaking when im cold…

I can't keep nothing down now & this headache been here almost 3 days , my body shaking when im cold & hot im trying not to go to the hospital and just wait it out Til my doctors appointment the 27th because I really want to go to orientation but ion know if I wanna work now , maybe I'm pushing it & need to sit in the ER.😔😷