Common abbreviations and acronyms on this community

I recently received a suggestion that we have a section on this forum to explain some of the many abbreviations and acronyms that people commonly use. I have therefore set this up as a pinned post and will put in some of the ones that immediately spring to mind, but would also encourage you to:

a) Where possible, give the full version of a word you wish to abbreviate, with the abbreviated version in brackets after it, the first time you use it in a post.

b) Add to this post with other abbreviations/acronyms.

c) Please ONLY add to this post with other abbreviations/acronyms, so that people don't have lots of conversation to scroll through.

Here are some to start us off:

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  • Conditions:

    RA/RD: rheumatoid arthritis (referred to as some as rheumatoid disease)

    OA: osteoarthritis

    PsA: psoriatic arthritis

    PMR: polymyalgia rheumatic

    ank spond: ankylosing spondylitis

  • ReA: Reactive Arthritis.

    AS: also Ankylosing Spondylitis.

    JRA: Juvenile Rheumatoid Arthritis.

    JIA: Juvenile Idiopathic Arthritis.

    Non Inflammatory Arthritis medical terms:

    DDD: Degenerative Disc Disease.

    DS: Degenerative Scoliosis.

    IBD / IBS: Irritable Bowel Disease / Irritable Bowel Syndrome.

    FM / Fibro: Fibromyalgia.

    IP: Intestinal Permeability AKA 'Leaky Gut'.

  • Indeed it should. 😊 I thought it looked wrong but couldn't decide why.

    Now corrected.

  • Medications:

    Standard DMARDs:

    MTX: methotrexate

    SSZ: Sulfasalazine (sometimes 'sulphasalazine)

    HCQ. Hydroxychloroquine

    LEF: lefluomide

    Biologic DMARDs:

    ADA: adalimumab

    ETN: etanercept

    IFX: infliximab

    RTX: rituximab

    CZP: certolizumab pegol

    GLM: golimumab

    TCZ: tocilizumab

    ABA: abatacept


    NSAIDs: Non-steroidal anti-inflammatory drugs

  • DMARDS, anti-TNFs & Biologics


    DMARDs: disease modifying anti-rheumatic drugs

    MTX: methotrexate

    HCQ: hydroxychloroquine

    LEF: leflunomide

    SSZ: sulfasalazine (or sulphasalazine)


    Many anti-TNFs (anti-tumour necrosis factors) & biologics are regularly called by their brand name

    adalimumab: Humira (anti-TNF)

    etanercept: Enbrel (anti-TNF)

    infliximab: Remicade (anti-TNF)

    certolizumab pegol: Cimzia (anti-TNF)

    golimumab: SimponI (anti-TNF)

    rituximab: Mabthera (Biologic)

    tocilizumab: RoActemra (Biologic)

    abatacept: Orencia (Biologic)

    anakinra: Kineret (Biologic) - licensed for RD but not approved by NICE

  • The following list is an example of NSAIDs available:


    •celecoxib (Celebrex)

    •diclofenac (Cambia, Cataflam, Voltaren-XR, Zipsor, Zorvolex)

    •diflunisal (Dolobid - discontinued brand)

    •etodolac (Lodine - discontinued brand)

    •ibuprofen (Motrin, Advil)

    •indomethacin (Indocin)

  • Benefits:

    PIP: Personal Independence Payment

    DLA: Disability Living Allowance

    AA: Attendance Allowance

    ESA: Employment and Support Allowance

  • Blood tests:

    RF: rheumatoid factor - antibody more commonly found in the blood of people with RA

    ESR and

    CRP: tests showing levels of inflammation

    anti-CCP: test for an antibody used for diagnosis of RA. Not as common as RF

    (with the exception of rheumatoid factor, the abbreviations are more common than giving the name in full)

    Sero+ and sero-:

    Seropositive and seronegative refer to whether or not someone is positive for the antibodies for RA (rheumatoid factor and anti-CCP)

  • Good idea!

  • Brilliant idea,I'm often lost & confused thank you

  • Great idea. Thank you

  • General acronyms:

    AFAIK: As Far As I Know.

    AKA: Also Known As.

    IIRC: If I Recall Correctly.

    IMO / IMHO: In My Opinion / In My Humble Opinion.

    IME: In My Experience.

    IDK: I Don't Know.

    YMMV: Your Mileage May Vary (a reference to the fact that a third party may have a different result from the writer).

    TL;DR: Too Long Didn't Read (a cheeky reference to the length of a post).

    OP: Original Post / Poster.

    TBF: To Be Fair.

    TBH: To Be Honest.

    LOL: Laugh Out Loud.

    FFS: For Flip's Sake 😀

    PDQ: Pretty Damn Quick.

  • was it only 2 months ago? gosh. anyways cd u add to the site to show which are DMRDS, which are BIOLOGICS, which are ? anti-TNFS etc etc - can't seem to find this in the literature i was given.


  • I've updated the DMARD, anti-TNF & Biologic list I compiled GranAmie.

  • it would be nice to know also victoria if their could be a section on people who have had replacment parts and what to expect and pull back times and also any complications they had like a link post to replacments

  • Thank you for the suggestion Minka. I think the difficulty with surgery is that there are so many different types that this can be hard to set up. It also doesn't come up on here as often as some other topics. For the time being, using the search function or setting up a post asking people to respond can be the best way to share experiences about joint replacements. If you ask about it and someone else has asked recently, a regular user will often be kind enough to add a link to the previous post, so that you can see the responses they got as well.

  • Thankyou very much for all this info, although it will take me a fair bit of time to figure what the abbreviations are, I've been absolutely flummoxed these past few weeks. 😞👍

  • Not a problem. In many cases people will use the full words, but always good to have somewhere you can refer to for some of the more common abbreviations!

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