Vomit

not feeling well these few days.... feel like my stomach and gastric are full.... can't take food anymore.... today is the worst.... vomit all the time....even though I don't take any food I still keep vomiting.... why?? huh..... so tired of vomiting....the whole body feel like no energy.... everything couldn't been done.... sitting or sleeping also feel tired.... what can I do ??haih.....