Severe gas pain or abdominal pain and vomiting. how can you tell a large gas bubble from appendicitis?

Fever? Location?: Appendicitis starts as middle of abdomen pain (peri-umbilical), often with nausea, change in bowel habit, may get vomiting, fever, pain centering in right lower quadrant. Other things. Like diverticulitis, various gyn issues, ulcer disease, pancreatitis can present with some of the same paterns. In doubt? Call your doc now.

Duration: Gas pain goes away, appendicitis will not. Plus there is often fever, loss of appetite with appendicitis, and tenderness in the right lower part of the belly. Severe persistent pain should be evaluated, especially if running fever.

CT scan: A ct scan will differenntiate for sure but other than that a history and physical examination is usually first performed to determine the nature of onset and compatibility with various etiologies.