Hi welcome to health care magic According to history you are having acute stomach inflammation called gastritis... As chills and sweating present it could be viral... Take rest for three to five days. ... You can be prescribed Rabez DSR for gastritis and vomitting.. Fruit juice taken more Cooked oatmeal will help in soothing stomach Avoid gastric irritants like.. -excess tea, coffee -smoking -high spicy foods -stress etc... If symptoms not improving than ciprofloxacin like antibiotic course given empirically... If abdominal spasm more than buscopan can be given.. Take care Consult physician and discuss all these...