Nausea or Vomiting
Nausea and vomiting are one of the most common signs of umbilical, hiatal as well as inguinal hernias. Excessive vomiting along with nausea is often suggestive of advance stage hernia. When a hernia becomes larger in size, it is difficult for it to return to its original place and got trapped in the muscle wall which in turn causes nausea and vomiting.
If your hernia bulge is palpable externally, you can gently push it back to prevent it from becoming incarcerated. An incarcerated hernia is very painful and causes excessive vomiting.