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Acute Abdomen

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Definition

Acute abdomen is the medical term used for pain in the abdomen that usually comes on suddenly and is so severe that one may have to go to the hospital. As opposed to common abdominal pain, which can be caused by minor issues such as constipation or gas, acute abdominal pain can signal a variety of more serious conditions, some of which require immediate medical care and/or surgery. Therefore, if you suspect you have this condition, contact your doctor immediately.

Abdominal Organs, Anterior View
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Causes

There are a number of possible causes of acute abdomen. These may include:

Risk Factors

Factors that increase your risk of acute abdomen will depend on the cause.

Symptoms

The symptoms of acute abdomen have a variety of causes. If you experience any one of them, see your physician.

  • Persistent, severe pain, swelling, and/or tenderness in the upper, middle, or lower abdomen
  • Guarding—involuntary contraction of the abdominal muscles
  • Rigidity—when abdominal muscles are tense and board-like
  • Fever

Diagnosis

Your doctor will ask you for details about your pain, such as the exact location and duration, and about any additional symptoms you may be experiencing, such as bowel or urinary symptoms. He or she will also take your medical history, including any drugs or medications you’ve taken, and perform a physical exam, including rectal and pelvic examinations.

Additionally, one or more of the following tests may be necessary to make a diagnosis:

  • Blood tests
  • Urine analysis
  • Liver function tests
  • Ultrasound—a test that uses sound waves to examine the abdomen
  • CT scan—a type of x-ray that uses a computer to make pictures of structures inside the abdomen
  • MRI scan—a test that uses magnetic waves to make pictures of structures inside the abdomen
  • KUB (kidney, ureter, and bladder) x-rays
  • Barium x-rays
  • Angiography
  • Surgery to visually examine the abdomen
  • Endoscopy—a thin, lighted tube inserted down the throat to examine the abdominal area

Treatment

For symptom relief, mild analgesics may be prescribed to reduce pain, however many doctors may delay prescribing painkillers since details of the pain can help find its cause. Do not take any medication such as Tylenol or ibuprofen, and do not eat or drink until you have spoken with your doctor.

Talk with your doctor about the best treatment plan for you. Depending on the underlying condition causing your acute abdomen, treatment options may include:

  • Medications
  • Diet or lifestyle changes
  • Advanced medical treatment such as surgery—may be required for the majority of severe abdominal pains that last for at least six hours in previously healthy patients

Prevention

Depending on the underlying condition causing acute abdomen, prevention measures will vary. Talk with your doctor about preventing conditions that cause acute abdomen.

Revision Information

  • Reviewer: Daus Mahnke, MD
  • Review Date: 10/2012 -
  • Update Date: 05/11/2013 -
  • American Academy of Family Physicians

    http://familydoctor.org

  • National Digestive Diseases Information Clearinghouse (NDDIC)

    http://digestive.niddk.nih.gov

  • Canadian Association of Gastroenterology (CAG)

    http://www.cag-acg.org

  • Canadian Digestive Health Foundation

    http://www.cdhf.ca

  • Abdominal pain, short-term. American Academy of Family Physicians website. Available at: http://familydoctor.org/familydoctor/en/health-tools/search-by-symptom/abdominal-pain-short-term.html. Accessed November 22, 2013.

  • Acute abdominal pain in children. American Academy of Family Physicians website. Available at: http://www.aafp.org/afp/20030601/2321.html. Accessed November 24, 2006.

  • Evaluation of Acute Abdominal Pain in Adults. American Academy of Family Physicians website. Available at: http://www.aafp.org/afp/2008/0401/p971.html. Accessed November 22, 2013.

  • Zeller JL. Acute abdominal pain. JAMA . 296(14):1800. Available at:

    http://jama.ama-assn.org/cgi/content/full/296/14/1800. Accessed November 22, 2013.