A member asked:

Possible for large doses of ibuprofen to affect blood test for rheumatoid arthritis/inflammation? my rf factor is in normal range as is esr test.

4 doctors weighed in across 2 answers

Yes: All nsaids -non steroidal anti inflammatory drugs- can influence the esr.

Answered 12/22/2017

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Dr. Thomas Namey answered

Specializes in Rheumatology

No!: Ibuprofen will have no effect on rf, and very little effect on sed rate.

Answered 6/25/2014

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