What is Appendicitis? Causes, Symptoms, Types, and Treatment

Appendicitis is inflammation of the appendix, a small pouch attached to the beginning of the large intestine. It usually causes abdominal pain that becomes stronger over several hours and may require urgent medical treatment. Without treatment, the appendix can sometimes rupture and cause infection inside the abdomen.

The condition can affect people of any age, although it occurs more frequently in teenagers and young adults. Symptoms are not always identical, which is why persistent or worsening abdominal pain should not be diagnosed at home.

At SGVP Holistic Hospital in Ahmedabad, patients with suspected appendicitis can be evaluated through clinical assessment, laboratory testing, imaging, and surgical consultation when required.

What is Appendicitis?

Appendicitis occurs when the appendix becomes inflamed and swollen. The appendix lies in the lower-right area of the abdomen, close to where the small intestine joins the large intestine.

Inflammation can increase pressure inside the appendix and interfere with its blood supply. If the condition progresses without treatment, the appendix may perforate or rupture, allowing infection to spread within the abdomen.

Appendicitis therefore requires prompt medical assessment, particularly when abdominal pain becomes progressively worse.

What Causes Appendicitis?

Appendicitis can develop when the opening of the appendix becomes blocked or its tissues become inflamed. In many patients, however, doctors cannot identify one definite cause.

Possible causes include:

  • Hardened stool: A small mass of hardened stool may obstruct the opening of the appendix.
  • Swollen lymphoid tissue: Tissue within the appendix may enlarge after an infection and cause blockage.
  • Digestive infections: Infection can trigger swelling and inflammation of the appendix.
  • Inflammatory bowel disease: Conditions causing intestinal inflammation may contribute in some patients.
  • Growths or other obstruction: These are less common causes but may occasionally block the appendix.

Once obstruction develops, bacteria can multiply inside the appendix, increasing inflammation and pressure.

What Are the Symptoms of Appendicitis?

The most recognisable symptom of appendicitis is abdominal pain that may begin around the navel and later move towards the lower-right abdomen. The pain generally worsens over several hours.

Common symptoms include:

  • Pain around the belly button that shifts towards the lower-right abdomen
  • Increasing abdominal tenderness
  • Pain that worsens with walking, coughing, movement, or deep breathing
  • Loss of appetite
  • Nausea or vomiting
  • Low-grade fever
  • Abdominal swelling
  • Constipation or diarrhoea
  • Difficulty passing gas

Not everyone develops the classic pattern. Children, pregnant women, and older adults may have less common symptoms. Severe or steadily worsening abdominal pain requires medical assessment rather than home treatment.

What Are the Types of Appendicitis?

Appendicitis is mainly grouped into Acute Appendicitis and Chronic Appendicitis based on how fast the inflammation starts and how long it lasts. Clinically, acute appendicitis is usually divided into uncomplicated and complicated appendicitis. 

  1. Uncomplicated appendicitis: The appendix is inflamed but has not perforated, and there is no abscess or widespread abdominal infection.
  2. Complicated appendicitis: The disease has progressed to gangrene, perforation, abscess, phlegmon, or peritonitis. These cases generally require more intensive treatment.
  3. Chronic or recurrent appendicitis: A rare and less well-defined condition associated with persistent or repeated episodes of appendix-related abdominal pain. 

When Should You See a Doctor for Appendix Pain?

Medical assessment is recommended when abdominal pain persists, becomes progressively worse, or moves towards the lower-right abdomen. Appendicitis can worsen quickly, so delaying evaluation is not advisable when symptoms are strongly suggestive.

Seek medical attention if you notice:

  • Increasing lower-right abdominal pain
  • Pain associated with fever
  • Persistent nausea or vomiting
  • Significant loss of appetite with worsening abdominal pain
  • Abdominal swelling or marked tenderness
  • Difficulty walking comfortably because of pain

A skilled gastroenterologist in Ahmedabad at SGVP Holistic Hospital may evaluate persistent or unexplained digestive and abdominal symptoms and determine whether further imaging or surgical consultation is necessary.

Sudden severe abdominal pain, fainting, marked weakness, persistent vomiting, or a rigid and very tender abdomen requires urgent assessment.

How is Appendicitis Diagnosed?

Doctors diagnose appendicitis by combining symptoms, physical examination, laboratory findings, and imaging. There is no single symptom that can confirm the condition in every patient.

1. Medical History and Examination

The doctor asks:

  • Where the pain started
  • Whether the pain has moved
  • How quickly symptoms developed
  • Whether fever, vomiting, or bowel changes are present

During examination, the abdomen is checked for tenderness, guarding, swelling, and pain in the lower-right region.

2. Blood and Urine Tests

Blood tests may show:

  • Raised white blood cell counts suggesting infection
  • Increased inflammatory markers such as C-reactive protein
  • Dehydration or electrolyte disturbances

Urine testing can help exclude urinary infections or kidney stones, which can sometimes cause similar pain.

3. Imaging Tests

Doctors may use:

  • Ultrasound: Commonly used in children, younger adults, and pregnant women.
  • CT scan: Provides detailed abdominal images and can identify an inflamed or perforated appendix.
  • MRI: May be considered when avoiding radiation is particularly important.

Imaging can also identify other conditions that may explain the abdominal pain.

How is Appendicitis Treated?

Appendicitis is commonly treated with antibiotics and surgical removal of the appendix. The exact approach depends on whether the appendix has ruptured, whether an abscess is present, and the patient’s overall condition.

1. Antibiotics

Antibiotics are commonly given around the time of surgery to control bacterial infection.

Some selected patients with mild, uncomplicated appendicitis may be managed initially with antibiotics alone. However, appendicitis can recur after non-surgical treatment, so this approach is not appropriate for everyone.

2. Appendix Removal Surgery

Appendectomy removes the inflamed appendix and prevents further progression of the infection.

Patients undergoing appendix removal surgery in Ahmedabad at SGVP Holistic Hospital may receive either laparoscopic or open surgery depending on the severity of inflammation and other clinical findings.

3. Treatment for an Abscess or Ruptured Appendix

If an abscess has formed, doctors may need to drain the infected fluid and prescribe antibiotics. Surgery may be performed immediately or after the infection has been controlled, depending on the patient’s condition.

A perforated appendix with widespread peritonitis generally requires urgent surgical treatment and infection control.

Laparoscopic and Open Appendix Surgery

Appendectomy can be performed through minimally invasive laparoscopic surgery or through an open abdominal incision. The surgeon selects the technique according to the patient’s condition and complexity of the infection.

ApproachHow it is performedWhen it may be considered
Laparoscopic appendectomyAppendix is removed using a camera and instruments inserted through small abdominal incisionsCommonly used for uncomplicated and many complicated cases
Open appendectomyAppendix is removed through a larger incision in the lower-right abdomenMay be considered when infection is extensive or minimally invasive surgery is unsuitable
Antibiotic treatmentAntibiotics are used without immediate removal of the appendixSelected uncomplicated cases after clinical assessment
Abscess drainagePus is drained using an image-guided procedure or surgeryCertain appendiceal abscesses

At SGVP Holistic Hospital, laparoscopic surgery in Ahmedabad is used for suitable appendicitis cases through small abdominal incisions and specialised instruments. This approach may support smaller scars and a shorter early recovery.

Open surgery may be recommended in some complicated cases. The surgeon may also convert a laparoscopic procedure to open surgery if infection, adhesions, poor visibility, or other operative findings make it safer to do so.

Appendicitis Care at SGVP Holistic Hospital

SGVP Holistic Hospital provides general, gastrointestinal, and laparoscopic surgical services for patients requiring evaluation and treatment of abdominal conditions such as appendicitis.

The hospital offers both laparoscopic and open appendectomy, with treatment selected according to the severity of inflammation, the presence of complications, and the patient’s overall health.

Dr Tapan Shah is a Consultant General and Laparoscopic Surgeon at SGVP Holistic Hospital. His clinical expertise includes laparoscopic and minimally invasive gastrointestinal surgery, hernia surgery, gastrointestinal surgery, anorectal procedures, endoscopy, and related general surgical care. He has also received international training in the USA and Germany.

SGVP Holistic Hospital is an NABH-accredited best multispeciality hospital in Ahmedabad with more than 180 beds. The hospital focuses on providing accessible, ethical, and affordable multidisciplinary healthcare while supporting patients through diagnosis, surgical treatment, and postoperative care.

Conclusion

Appendicitis causes inflammation of the appendix and commonly presents with worsening abdominal pain, nausea, appetite loss, fever, or tenderness in the lower-right abdomen. Because these symptoms can resemble several other conditions, diagnosis requires clinical examination and appropriate testing.

Prompt assessment becomes particularly important when abdominal pain continues to worsen or is accompanied by fever and vomiting. Treatment usually involves antibiotics and appendix removal surgery, although selected uncomplicated cases may be treated differently. The safest approach depends on the severity of inflammation, imaging findings, complications, and the patient’s overall health.

Frequently Asked Questions

How long can appendicitis last?

Appendicitis usually develops and worsens over hours rather than following a fixed duration. Without treatment, inflammation can progress to perforation or abscess formation. Persistent or worsening abdominal pain, particularly in the lower-right abdomen, therefore requires prompt medical assessment.

What happens if you have appendicitis?

The appendix becomes inflamed and swollen, usually causing progressively worsening abdominal pain. Without timely treatment, the appendix may perforate and spread infection inside the abdomen. Treatment commonly involves antibiotics and surgical removal of the appendix.

Can you eat if you have appendicitis?

If appendicitis is suspected, avoid eating or drinking until medical advice is obtained because surgery and anaesthesia may be required. A healthcare team will advise when food and fluids are safe based on investigations and the planned treatment.

What are the early warning signs of appendicitis?

Early appendicitis may cause pain around the belly button that later shifts towards the lower-right abdomen. Loss of appetite, nausea, vomiting, mild fever, and increasing tenderness may also develop as inflammation progresses over several hours.

How to confirm if it’s appendicitis?

Appendicitis cannot be reliably confirmed at home. Doctors assess the pattern of abdominal pain, perform a physical examination, and may order blood and urine tests. Ultrasound, CT, or MRI can help confirm inflammation and exclude other causes.

What can be mistaken for appendix pain?

Kidney stones, urinary infections, gastroenteritis, inflammatory bowel disease, ovarian conditions, pelvic inflammatory disease, and other abdominal problems can resemble appendicitis. Because symptoms overlap, persistent lower-right abdominal pain should be clinically evaluated rather than self-diagnosed.

What is the first stage of appendicitis?

There is no universal numbered staging system for ordinary appendicitis. Early appendicitis begins with inflammation of the appendix, usually causing vague central abdominal discomfort before pain becomes more localised towards the lower-right side as inflammation progresses.