Question: what is the most common type of rheumatic disease?
Answer: Osteoarthritis.
Rheumatoid arthritis (RA)
Lupus.
Spondyloarthropathies -- ankylosing spondylitis (AS) and psoriatic arthritis (PsA)
Sjogren's syndrome.
Gout.
Scleroderma.
Infectious arthritis.