MCQ 36 Most common organism associated with reactive arthritis is:

A.Staphylococcus
B.Shigella
C.Chlamydia
D.Yersinia

The correct answer is C.Chlamydia

NOTE: Reactive Arthritis is a type of autoimmune disorder which is characterized by sterile synovitis following an infection.The arthritis is often coupled with the classic triad of Reiter's disease- i)Conjunctivitis,ii)Urethritis and iii)Arthritis.
Reactive arthritis occurs following non-specific arthritis caused by Chlamydia Trachomatis,Ureaplasma Urealyticum,bacillary dysentery caused by Shigella or Salmonella spp.,diarrhoea caused by Yersinia Enterocolitica.
Clinical features of Reactive Arthritis are:

  • Acute asymmetrical lower limb arthritis
  • Enthesitis-plantar faciitis or Achilles tendonitis
  • Circinate balanitis-lesion in the glans penis
  •  Keratoderma blenorrhagica-painless, red and often confluent raised plaques and pustules.

Keratoderma blenorrhagica

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