Rheumatology deals with diagnosis and treatment of rheumatic diseases. Rheumatism has many faces and is rather a complex collective term for diseases associated with inflammatory reaction of the musculoskeletal system. Typical are the frequent relapses of symptoms, e.g. pain, stiffness and swelling of small joints that migrate from one joint to another.
The diversity of the symptoms is also reflected in that fact that about 500 different types of rheumatic diseases ar known.