Understanding Faecal Calprotectin: What Your Test Result Means
Faecal calprotectin is a marker used to detect inflammation in the intestines. Learn what your test result means and when it matters.
Faecal calprotectin is a useful marker that helps indicate inflammation in the intestines. It is often used to distinguish between inflammatory bowel diseases and non-inflammatory conditions. Understanding your results can help you and your healthcare provider make informed decisions about your digestive health.
What is Faecal Calprotectin?
Faecal calprotectin is a protein found in white blood cells, and it is released when there is inflammation in the gastrointestinal tract. This protein is measured in a stool sample, not a blood test. The level of calprotectin in your stool can indicate whether there is inflammation in your intestines, which is common in conditions like Crohn's disease and ulcerative colitis. High levels of faecal calprotectin suggest the presence of inflammation, whereas low levels are typically seen in non-inflammatory conditions like irritable bowel syndrome (IBS).
Why Faecal Calprotectin Matters
Faecal calprotectin is particularly valuable in differentiating between inflammatory bowel diseases (IBD) and other non-inflammatory gastrointestinal disorders. This distinction is crucial because the management and treatment of these conditions are very different. For example, IBD usually requires specific medication to control inflammation, while IBS may be managed with dietary changes and stress management.
Factors That Affect Faecal Calprotectin Levels
Several factors can influence faecal calprotectin levels. Active inflammation due to IBD will typically increase calprotectin levels. Infections in the gut, such as bacterial or viral gastroenteritis, can also cause elevated levels temporarily. Non-inflammatory conditions generally do not affect faecal calprotectin levels, making it a reliable marker for inflammation.
Interpreting Your Faecal Calprotectin Result
There is no universal threshold for faecal calprotectin levels, as normal ranges can vary depending on the laboratory. However, generally, low levels suggest no significant inflammation, while high levels indicate active inflammation. It is essential to discuss your specific results with your healthcare provider, who will consider your symptoms and medical history in conjunction with the test results.
Next Steps After Receiving Your Result
If your faecal calprotectin levels are high, your healthcare provider may recommend further investigations, such as a colonoscopy, to determine the cause and extent of the inflammation. If the levels are low, and you have symptoms of IBS, your provider may suggest lifestyle changes and symptom management strategies.
Frequently Asked Questions
What does a high faecal calprotectin level mean?
A high faecal calprotectin level indicates inflammation in the intestines, which could be due to an inflammatory bowel disease or a temporary infection.
Can stress affect faecal calprotectin levels?
Stress itself does not directly increase faecal calprotectin levels, but it can exacerbate symptoms of conditions like IBS, which may prompt testing.
Is faecal calprotectin testing painful?
No, faecal calprotectin testing is not painful. It involves providing a stool sample, which is then analyzed in a laboratory.
How often should faecal calprotectin be tested?
The frequency of testing depends on your symptoms and your healthcare provider's recommendations. It may be repeated to monitor disease activity or response to treatment.
Can diet affect faecal calprotectin levels?
Diet does not directly affect faecal calprotectin levels, but certain foods might worsen symptoms of underlying conditions like IBD.
When to See a Doctor
If you experience persistent gastrointestinal symptoms such as abdominal pain, diarrhea, or blood in your stool, it is important to consult a healthcare provider. They may recommend faecal calprotectin testing to help diagnose the cause of your symptoms. Early diagnosis and management of conditions like IBD can improve outcomes and quality of life.
This article provides general information and is not a substitute for professional medical advice. Please consult your healthcare provider for personalized guidance.
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This explainer is queued for our doctor panel and hasn't been individually reviewed yet. It's general information, drawn from standard references - always confirm decisions with your own clinician.