The classic symptoms of appendicitis include:
Dull pain near the navel or the upper or lower abdomen that becomes sharp as it moves to the lower right abdomen; this is usually the first sign, but it only occurs in half of appendicitis cases.
Loss of appetite
Nausea or vomiting soon after abdominal pain begins
Temperature of 99 to 102 degrees Fahrenheit
Constipation or diarrhea with gas
Inability to pass gas
In many cases, atypical symptoms appea...