Arthritis

Arthritis is inflammation of the joint.

Many types of arthritis exist. The most common is osteoarthritis.

Other common types of arthritis:

• Rheumatoid arthritis.

Seronegative rheumatic diseases (PAIR):

• Psoriatic arthritis.
• Ankylosing spondylitis.
• Inflammatory bowel disease.
• Reactive arthritis.
• Undifferentiated spondylopathy.