A sudden stomachache, nausea, or fever is often assumed to be food poisoning or indigestion, but these symptoms can sometimes signal a more serious condition—appendicitis. In its early stages, ...

Right-sided stomach pain can signal appendicitis, needing medical attention if sharper pain develops. Gallstones may cause upper right-sided pain, especially after eating, if bile ducts are blocked.

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...