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Blood tests are a routine part of rheumatology care, but lab results can feel overwhelming when you are not sure what the numbers mean. Two common markers patients often see are CRP and ESR. While these tests do not diagnose a condition on their own, they provide important insight into inflammation in the body.

Knowing what these markers represent can make appointments and follow ups feel less stressful.

What CRP and ESR measure

CRP, or C reactive protein, reflects how much inflammation is present in the body at the time of the test. ESR, or erythrocyte sedimentation rate, measures how quickly red blood cells settle, which can increase when inflammation is present.

These markers often rise when autoimmune disease is more active, but they can also be affected by infections, injuries, or other health conditions. A normal result does not always explain ongoing symptoms, and an elevated result does not automatically point to one diagnosis.

How these markers guide care

CRP and ESR are interpreted alongside symptoms, physical exams, and sometimes imaging. They help track disease activity and monitor how well treatments are working over time.

Trends are often more meaningful than a single number. Gradual improvement can suggest better control, while rising levels may signal the need for closer attention.

Lab results can feel intimidating, especially when they change from visit to visit. But these markers are tools, not judgments. Understanding their role can help you feel more informed and confident when discussing your care.

Your Symptoms Matter

If you’re ready to take the next step toward clarity and relief, the team at AMS Rheumatology in Amarillo is here to walk with you, providing compassionate care, expert guidance, and personalized treatment plans designed to help you regain control, reduce discomfort, and improve your quality of life.