Psoriatic arthritis

What is Psoriatic arthritis?

Psoriatic arthritis is a chronic inflammatory arthritis associated with psoriasis. Approximately one in three patients with psoriasis develop psoriatic arthritis.

  • Joint pain and swelling along with stiffness in your joints in morning
  • Sausage-like swelling of your fingers or toes
  • Pain and stiffness in your lower back in the morning
  • Nail pitting (tiny dents in your nails)
  • Psoriasis (flaky reddish or silver appearing plaque on your skin)
  • Redness and pain in your eyes due inflammatory eye disease

Risk factors

  • Psoriasis
  • Family history

Diagnosing psoriatic arthritis

  • Detailed medical history and physical examination
  • Laboratory testing
  • Imaging (X-ray or MRI)

Treating psoriatic arthritis

  • Nonsteroidal anti-inflammatory drugs (NSAIDs)
  • Traditional disease-modifying anti-rheumatic drugs (DMARDs), such as methotrexate, leflunomide and apremilast
  • Biologic DMARDs, such as TNF inhibitors, interleukin 17 inhibitors and interleukin 23 inhibitors
  • Small molecule advanced DMARDs, such as tofacitinib


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