Medical Library

Acute Appendicitis


  1. Sudden pain in the middle of abdomen that travels to the lower right-hand side within hours and may be worsening while cough, walk or make other jarring movements
  2. Loss of appetite
  3. Nausea
  4. Vomiting
  5. Constipation or diarrhea, 
  6. Abdominal bloating
  7. Flatulence


Obstruction of the appendiceal lumen is thought as a cause. most common causes of luminal obstruction:

  • Lymphoid hyperplasia 
  • Infections (specially childhood and in young adults),
  • Fecal stasis and fecaliths (commonly in elderly patients), 
  • parasites (especially in Eastern countries), 
  • Foreign bodies and neoplasms as rarely

Department and Time to See a Doctor

The classic history of anorexia and periumbilical pain followed by nausea, right lower quadrant (RLQ) pain, and vomiting occurs in only 50% of cases. If a person has sudden pain in the middle of abdomen that travels to the lower right-hand side within hours along with one or more symptoms it is recommended to go to Emergency.


Predominantly based on present with a typical history and examination findings. 

  • Blood test to look for signs of infection
  • Pregnancy test for women to rule out pregnancy
  • Urine test to rule out other conditions, such as a bladder infection
  • Imaging test to whether if appendix has swollen

Treatment Options and Advices

Removing the appendix is usually recommended if appendicitis is suspected, rather than risk it bursts.

Frequently Asked Questions

What is the difference between appendicitis and acute appendicitis?

Chronic appendicitis can have milder symptoms for a long time, it can go undiagnosed for a time. Acute appendicitis has more severe symptoms within 24 to 48 hours and need treatment immediately.

Is acute appendicitis an emergency?

Appendicitis is almost always considered as an emergency.

Is it harmful to remove appendix?

According to known literature removing it is not harmful.