What Tests Are Used to Diagnose a Crohn’s Flare-up?

What Tests Are Used to Diagnose a Crohn’s Flare-up?
Those who live with Crohn’s disease know that at times symptoms become more severe, which is known as a Crohn’s flare-up. There is no specific test to determine if a worsening of symptoms is a flare-up, so doctors look at the patient's symptoms and order tests to get a better idea. The process is similar to the methods employed by Sherlock Holmes, piecing many clues together to figure out a problem. Aside from procedures such as upper endoscopies and colonoscopies to look at the intestines, blood tests and fecal tests can also indicate inflammation.

Blood tests can indicate inflammation

Doctors will typically order three blood tests to look for infection, anemia, and inflammation. A complete blood count is useful to check for infection and anemia. Blood tests that can indicate inflammation include c-reactive protein (CRP) and erythrocyte sedimentation rate (ESR). C-reactive protein is produced by the liver in response to inflammation in the body. Levels of CRP can be elevated when an infection is present, during active inflammatory bowel disease, and in conditions such as arthritis. Though this test is imprecise, it’s a good pl
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