Rheumatoid factor

Information, Symptoms, Treatments and Resources

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What is Rheumatoid factor?

RF is an antibody that attaches to a substance in the body called immunoglobulin G (IgG), forming a molecule known as an immune complex. The immune complex can trigger different types of inflammation-related processes in the body.

This article discusses the test to detect and measure the level of RF in the blood.

Alternative Names:

RF

Posts on Rheumatoid factor (32)
Had my RF levels checked 3 years ago came back as 226 (20 is the 'normal' level) I was told...
I have be diagnosed with a high reumatoid factor count but do not have any joint pain at al...
I'm a 40yr old male and in the past 1-2 years I've been having more regular migraine type h...
I had a 18.7 for the RA factor last March. My new Doctor would like more tests this week. I...
I am a 34 y.o female and have fairly recent high blood pressure (now on meds), chest pain, ...
Hi, In 2008 I was diagnosed with meningitis. I had 3 postive LPs. from May through Dec. Eac...
I have a number of questions. Quick stats: I’m a 25 year old white female, acceptable weigh...
I recently got test results with Rheumatoid Factor of 520. I am having muscle weakness ...
Can anyone tell me what this might mean? Sed Rate was normal; Rheumatoid Factor was normal...
I have a rheumatoid factor of 59 and have done so for some years...infact in the beginning ...
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