The common symptoms of appendicitis include:
1. Severe abdominal pain: Typically starts near the belly button and moves to the lower right abdomen.
2. Nausea and vomiting: Many people experience nausea and vomiting.
3. Loss of appetite: Decreased interest in food.
4. Fever: Elevated body temperature, usually above 100.4°F (38°C).
5. Chills: Feeling cold, even if the body temperature is normal.
6. Abdominal tenderness: The abdomen is tender to the touch, especially in the lower right quadrant.
7. Rebound tenderness: Pain worsens when pressure is released.
8. Guarding: Muscles in the abdomen become rigid, protecting the area from further pain.