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Blood Test: C-Reactive Protein (CRP)

What Is a Blood Test?

By taking and testing a small sample of a person’s blood, doctors can check for many kinds of diseases and conditions. Blood tests help doctors check how the body’s organs are working and see if medical treatments are helpful.

To help your child get ready for a blood test, find out if they need to fast (not eat or drink) or should stop taking medicines before the test. Explain what to expect during the test. If your child is anxious about it, work together on ways to stay calm.

What Is a CRP Test?

A CRP test measures the level of C-reactive protein in the body. Levels can be high when there is inflammation or infection.

Why Are CRP Tests Done?

Doctors may order a CRP test if a child has signs of inflammation or infection. They use CRP tests to follow conditions such as inflammatory bowel disease (IBD), arthritis, and lupus. CRP tests also can help doctors see how well treatment for inflammation or infection is working.

What if I Have Questions?

If you have questions about the CRP test or what the test results mean, talk to your doctor.

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