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  • Q&A with Australian Health Practitioners

    What is difference between RA and psoriatic arthritis

    Related Topics
    Psoriasis Rheumatoid Arthritis Rheumatology
    I was told I have RA but my Rheumatologist says it's psoriatic arthritis.

    I don't have Psoriasis so how can it be psoriatic arthritis?

    There is no history in my family either.
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    Thanks

    Dr Irwin Lim

    Rheumatologist

    Irwin has been a rheumatologist in Sydney since 2003. He is a co-founder and medical director of BJC Health, which consists of a team of … View Profile

    For a long time, RA and PsA (psoriatic arthritis) were treated very similarly and often those with seronegative rheumatoid arthritis may actually have been better classified as having PsA.

    While this was a little academic in previous years because the treatments used were pretty similar, the last decade has really highlighted that these are quite different diseases, with the abnormalities in signalling chemicals and the autoimmune abnormalities being different.

    This new understanding has helped people develop different treatments specific to the different diseases.

    There have been many advances in understanding PsA recently and this is set to continue.

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