Sudden worsening of abdominal pain, especially if it starts around the belly button and moves to the lower right side
Pain that becomes severe, constant, or spreads across the abdomen
Fever
Nausea or vomiting
Loss of appetite
Swollen or bloated abdomen
Tenderness when touching the abdomen, especially the lower right side
Pain that gets worse with movement, coughing, or walking
Inability to pass gas or have a bowel movement
Rapid heartbeat
Feeling very weak, dizzy, or faint
Signs of shock, such as cold, clammy skin or confusion
Immediate medical emergency if these symptoms are present