Mnemonic for HLA B27 associated diseases

HLA B27 associated diseases can be remembered using the mnemonic PAIR.

  • Psoriasis/Psoriatic arthritis
  • Ankylosing Spondylitis
  • Inflammatory bowel disease
  • Reiter’s syndrome

Another useful mnemonic to remember the subgroups of seronegative spondyloarthritides is: PEARU


  • P: psoriatic arthritis
  • E: enteropathic arthritis (i.e. extraintestinal manifestation of IBD)
  • A: ankylosing spondylitis
  • R: reactive arthritis (Reiter syndrome)
  • U: undifferentiated spondyloarthritis

Hope that mnemonic helped. Got a better mnemonic for the same? Let us know in the comments below.
Also check out these medical mnemonics

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