What's the main difference between rheumatoid arthritis, osteoarthritis, and gouty arthritis?

See below: Put in simplest terms: osteoarthritis is the "normal arthritis" we get from wear and tear where cartilage wears out. Cartilage allows joint to move smoothly without bones grinding against each other. Rheumatoid arthritis is a inflammatory arthritis believed to be the result of an autoimmune disorder. Very painful and destructive, affecting multiple joints. Gout is result of uric acid in a joint.

Different causes: Gouty arthritis- due to an increase of uric acid production or underexcretion. Typically affects big toe joints, as well as the mid foot, ankle, knees, wrist. Diagnosis confirmed by uric aicd crytals in the joint. Presents itself by painful acute episodes, typically at night. Osteo- bone on bone- which cause inflammation in and around the joint. Ra- chronic persistent pain, .