Learn about your disease.


Focus of MyArthritis

Seven primary disease areas are covered on this site, with information divided into the following 'chapters':

  • An overview of the disease 
  • Typical symptoms of the disease
  • Who gets the disease, and why it occurs
  • How the disease works in the human body
  • Disease testing methods, and how diagnoses are made
  • Treatment options, and overall outlook for living with the disease
  • Ways you can feel better

Rheumatoid arthritis (RA) is an inflammatory autoimmune disorder affecting joints and other tissues. Learn more.


The most common joint disorder in the world, osteoarthritis (OA) is a degenerative joint disease typically affecting the joints of the hand, spine, hips and knees. Learn more.


Ankylosing spondylitis (AS) is an inflammatory disease predominantly affecting the sacroiliac joint – the connection between the spine and pelvis – as well as the spine itself. Learn more.


First described in the 1950s, polymyalgia rheumatica (PMR) is a type of vasculitis, or inflammation of blood vessels, characterized by muscle pain and stiffness. Learn more.


Psoriasis is non-contagious skin disease caused by abnormal functioning of the body’s immune system; when psoriasis enters the joints and results in inflammation, it is known as psoriatic arthritis (PSA). Learn more.


Systemic lupus erythematosus, more widely known as lupus (or SLE) is an autoimmune connective tissue disease whose symptoms can flare up and then go into remission unpredictably. Learn more.


Gout is a metabolic disorder characterized by joint inflammation and, in later stages, ulcerations of the skin. With gout, the areas most commonly affected are the big toe, forefoot, ankles, knees and wrists, although gout symptoms can be found all over the body. Learn more.