Hello I share your concern Looking at your history this is suggestive of infection like acute gastroenteritis or hepatitis another possibility is fatty liver or Acid peptic disease like peptic ulcer or gastritis I would like further information to help you better your age and complete medical history whether you smoke or drink?? Since how long you have this problem In my opinion you should consult your doctor as earlier possible for a battery of test like Liver function test, blood sugar and an ultrasound abdomen if it doesn t come conclusive you should book an appointment for gastroenterologist for an endoscopy Meanwhile please follow these guidelines Avoid smoking and alcohol Have fresh fruits or fruit juices You can take small and frequent food as per your preferences You can take anti emetic drugs like domperidone for nausea and vomiting with anti acidity medicines like pantoprazole or rabeprazole with antacids Hope this helps you thanks and regards