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can rheumatoid factor change

A 39-year-old member asked:
Dr. PHILIP WALLER
32 years experience Rheumatology
YES: Rheumatoid factors can change sometimes day to day and also how the test is done. It also may change with the level of disease activity.
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Dr. Thomas Namey
47 years experience Rheumatology
Depends!: If a patient has RA, RF will go down with traditional DMARD Rx: sulphasalazine, hydroxchloroquine, methotrexate. Humira and other TNF-a inhibitors do ... Read More
Dr. Pierre Moeser
Specializes in Rheumatology
Yes, but: Yes, but it is not a useful way to track the effectiveness of treatment of rheumatoid arthritis. To assess treatment of RA, the doctor does a tender j ... Read More

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A 45-year-old member asked:
Dr. Thomas Namey
47 years experience Rheumatology
Yes.: Particularly if taking dmards. These are drugs to treat ra. Rf levels are now reported in units rather than dilutions, so big drops do occur, and a a ... Read More
A 38-year-old member asked:
Dr. Douglas Mund
45 years experience Rheumatology
A protein in blood: Rheumatoid factor is a protein-igm- directed against another protein- igg in the blood and is seen in high frequency(>80%) of patients with rheumatoid ... Read More
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A 48-year-old member asked:
Dr. Ahmad M Hadied
48 years experience Orthopedic Surgery
Rheumatoid factor is: An antibody that is not normally found in the blood, so your body's production of it may indicate RA or another connective tissue disease. However, it ... Read More
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A 39-year-old member asked:
Dr. Thomas Namey
47 years experience Rheumatology
Your question cannot: Can't answer your question. Rf of 5 tells me little. Rephrase it and i'll try again!
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A 32-year-old member asked:
Dr. Thomas Rohde
34 years experience General Practice
Variable: Several online sites to order your own cash pay which are generally cheaper than in a hospital. Reputable one is lifeextension.Com. Can google others: ... Read More
A 43-year-old member asked:
Dr. Thomas Namey
47 years experience Rheumatology
The higher more sign: The higher the titer of rf, the more likely it is a significant indicator of an automimmune disease, most likely ra. However it can be quite elevated ... Read More
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A 41-year-old member asked:
Dr. John Goldman
54 years experience Rheumatology
Antibody produced: There are plasma cells that produce antibodies. These are throughout the body and especially in the bone marrow and lymph nodes and they also circula ... Read More
A 31-year-old member asked:
Dr. PHILIP WALLER
32 years experience Rheumatology
High value: I am assuming you had the test done because you were having joint pain and if this is so, it looks as though you may have rheumatoid arthritis. Some p ... Read More
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A 46-year-old member asked:
Dr. Thomas Namey
47 years experience Rheumatology
RF!: Rheumatoid factor is present in 5% of the population, while only about 1% have rheumatoid arthritis. Rheumatoid factor is usually an igm moiety direc ... Read More

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