What are the primary symptoms of acute cholecystitis?

The primary symptoms of acute cholecystitis include:

1. Severe abdominal pain: Typically in the upper right quadrant, which may radiate to the back or right shoulder.
2. Pain duration: Pain persists for more than 6 hours.
3. Nausea and vomiting: Many people experience nausea and vomiting.
4. Fever: Elevated body temperature, usually above 100.4°F (38°C).
5. Chills: Feeling cold, even if the body temperature is normal.
6. Murphy’s sign: Pain when the examiner presses on the right upper quadrant during deep inspiration (a diagnostic sign).
7. Tenderness: The abdomen is tender to the touch, especially in the right upper quadrant.
8. Guarding: Muscles in the abdomen become rigid, protecting the area from further pain.
9. Rebound tenderness: Pain worsens when pressure is released.
10. Jaundice: Yellowing of the skin and eyes (in some cases).