Conditions
Intra-Abdominal Abscess
Quick answer
An intra-abdominal abscess is a pocket of pus that forms inside the belly, often after a burst appendix, bowel leak or recent surgery. It causes fever, belly pain and feeling very unwell. Treatment combines antibiotics with draining the pus, usually through a needle tube placed under scan guidance, and sometimes an operation.
Medically reviewed by The Curaventa Team · Last updated 2026-10-27
The abdomen holds the bowel, liver, pancreas and other organs inside a smooth lining. When bacteria escape into this space, the body walls them off. The walled-off collection of pus is an abscess. It can sit beside the bowel, under the diaphragm, in the pelvis or inside an organ such as the liver.
Antibiotics alone rarely clear a large abscess, because drugs cannot reach well into the pus. The pus usually has to be let out. Most abscesses today are drained by a radiologist using a thin tube passed through the skin. Open or keyhole surgery is kept for abscesses that cannot be reached safely or that come with a leak needing repair.
Symptoms
- Fever, chills or night sweats
- Constant pain in one area of the belly
- Swollen or tender abdomen
- Loss of appetite, nausea or vomiting
- Diarrhoea or a change in bowel habit
- Feeling unwell again several days after abdominal surgery
Causes and risk factors
- Burst (perforated) appendix
- Diverticulitis (infected pouches in the large bowel)
- Leak from a bowel join after surgery
- Crohn's disease, which can tunnel through the bowel wall
- Infected pancreas tissue after pancreatitis
- Weak immunity, diabetes or long-term steroid use
How it is diagnosed
- Blood tests for infection markers and white cell count
- CT scan of the abdomen and pelvis with contrast dye
- Ultrasound, especially for liver or pelvic collections
- Testing of drained pus to find the bacteria and the right antibiotic
- Blood cultures if infection may have spread into the bloodstream
When a procedure is needed
An operation is considered when a scan-guided drain cannot reach the abscess safely, or the drain does not clear it. Surgery is also needed for an ongoing bowel leak or widespread infection of the belly lining (peritonitis). Sometimes the cause, such as a burst appendix, is treated in the same operation.
Treatment options in India
| Treatment | When it is used | Published price (USD) |
|---|---|---|
| Appendectomy | when a perforated appendix is the source, usually after the abscess has been drained and settled | $262–$1,153 |
| Colectomy (Colon Cancer Surgery) | when diverticulitis or a damaged section of large bowel keeps causing abscesses | $1,930–$3,370 |
| Crohn's and Ulcerative Colitis Treatment | when Crohn's disease is behind the abscess and needs long-term control | $12–$780 |
Frequently asked questions
Will I need open surgery to drain an abscess?
Often not. Many abscesses are drained with a thin tube placed through the skin under CT or ultrasound guidance. This is done with local anaesthetic and sedation. Surgery is kept for collections that are hard to reach or linked to a leak.
How long does the drain stay in?
The drain stays until little or no pus comes out and repeat scans show the pocket has shrunk. This varies from patient to patient. Your team checks the output every day and may flush the tube to keep it working.
Can I fly home with a drain still in place?
Sometimes, but only when your doctors agree it is safe. You would need written care instructions, spare dressings and a local doctor to remove it. Most teams prefer the drain out and the infection settled before a long flight.
Why did the abscess form after my operation?
Some abdominal operations carry a risk of infection collecting near the surgical site. A small leak at a bowel join is one cause. It does not always mean something went wrong, but the source must be found.
What should I bring to India for assessment?
Bring your recent CT or ultrasound images on a disc, the written reports, and any operation notes. A list of antibiotics already given helps choose the next drug. Also bring discharge summaries from any earlier hospital stay.
Medically reviewed by The Curaventa Team. Last updated 2026-10-27. General information, not medical advice. Medical editorial board · Editorial policy · How we get prices
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