Ileus (say "ILL-ee-us") is a blockage of the bowel (intestines) that happens when the intestines don't work as they should. Normally, muscles in the intestines squeeze to push food and waste along. When this process stops, the intestines stop digesting food and moving waste out of the body. This may also be called paralytic ileus.
Ileus is not the same as a mechanical bowel obstruction. In a mechanical bowel obstruction, something is actually blocking the intestine, like scar tissue or a tumour. That is not true in ileus.
Ileus sometimes happens after surgery to the belly. But it can also be caused by other things, such as some medicines, certain diseases or infections, and nerve problems.
The doctor may do a number of tests. These tests may include X-rays, blood tests, and a CT scan. Testing can help the doctor be sure that nothing is blocking the intestines.
Most people who have ileus need to be treated in the hospital.
Symptoms may include:
You will need to avoid eating solid food until you are better. Instead, you will get fluids and nutrition through a vein (IV). This helps prevent dehydration. It also lets your bowel rest.
You may have a tube that goes through your nose and into your stomach. This can help ease pain and bloating.
You may get other treatments, depending on what caused ileus. For example, a medicine might be stopped if it is affecting your bowel.
The intestines will often start working again in a few days. Signs of this include being able to pass gas or have a bowel movement. As your intestines start working, you will switch slowly from a liquid diet back to solid foods.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse call line if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
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Current as of: August 9, 2016
Adam Husney, MD - Family Medicine
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