Why do i feel nauseous after eating?

May be reflux, may be gallbladder may be gastroparesis slow stomach movement if you are diabetic, May be H. pylori a bacteria associated with gastritis. Is there pain? Rarely may be pancreas( though usually pain) or even ovaries. Would follow up with MD

There can be many potential causes of nausea after eating. You should speak with your family doctor or a gastroenterologist to begin sorting it out. You also could start with a consult here on healthtap. If your symptoms persist, you should not ignore them.