Includes direct infections ( septic arthritis ) or inflammation triggered by an infection elsewhere in the body ( reactive arthropathy ).
Caused by the buildup of microscopic crystals in the joint, such as gout (uric acid) or pseudogout (calcium pyrophosphate). arthropathy
Non-inflammatory wear-and-tear of joint structures, most commonly osteoarthritis (OA) . Includes direct infections ( septic arthritis ) or