10. Blood in Vomit or Stool
This is probably the most severe and scary symptoms of all. When you start vomiting and there is blood in your vomit or while defecating there is blood in your stool. Then, you may have to go to the hospital right away. These are very severe symptoms, and if the cause is not something as simple as a Hiatal hernia, you may be suffering from something more serious. So going to the hospital is a good move for you.