Suggest Treatment For Headache And Dizziness

i have been to the hospital several times in the past week for headache dizzyness nausia vomitting and diarea. i have been given medicine to help with the headaches and vomitting i'm also on an antibiotic to fight a virus they are figuring might be the cause of my symptoms. However i am still very frequently vomitting and am very discomfortable with a headache and dizzyness what should i try doing