Indomethacin Plasma Concentration (Quantitative)

Why This Test Is Done

Your healthcare provider may order this test if you’re taking indomethacin (a medication used to reduce pain, swelling, or fever) and want to ensure the right amount is in your blood. It’s especially important for long-term use or in people with certain kidney or liver conditions.

What to Expect Before the Test

No special preparation is needed. You’ll have a small needle inserted into your arm or vein to draw a blood sample. The process is quick and usually painless. If you’re on blood thinners or have a history of bleeding issues, let your provider know before the test.

What the Results Mean

Results show the concentration of indomethacin in your blood plasma. While reference ranges vary by lab, lower-than-expected levels may mean your medication isn’t working as intended, while dangerously high levels could indicate side effects or improper dosing.

Common Uses and Considerations

Indomethacin is often used for conditions like arthritis, gout, or to prevent certain types of heart valve problems. Your provider may adjust your dose based on these results, especially if you have kidney problems or take other medications that interact with indomethacin.