Rheumatologists have special interests in unexplained rash, fever, arthritis, anemia, weakness, weight loss, fatigue, joint or muscle pain, autoimmune disease, and anorexia. 
: a medical science dealing with rheumatic diseases. 1. rheumatology-the branch of medicine dealing with the study and treatment of pathologies of the muscles or tendons or joints. medical specialty, medicine-the branches of medical science that deal with nonsurgical techniques. Translations. Classical adult rheumatology training includes four years of medical school, one year of internship in internal medicine, two years of internal medicine residency, and two years of rheumatology fellowship. Clinicians who specialize in rheumatology are called rheumatologists. Rheumatologists deal mainly with clinical problems involving joints, soft tissues, autoimmune diseases, vasculitis, and heritable connective tissue disorders. Rheumatology (Greek ρεύμα, rheuma, river) is a sub-specialty in internal medicine and pediatrics, devoted to diagnosis and therapy of rheumatic diseases. Rheumatologist: A specialist in the non-surgical treatment of rheumatic illnesses, especially arthritis. Rheumatologists have special interests in unexplained rash, fever, arthritis, anemia, weakness, weight loss, fatigue, joint or muscle pain, autoimmune disease, and anorexia. They often serve as consultants, acting like detectives for other doctors.
http://www.merriam-webster.com/dictionary/rheumatology http://www.thefreedictionary.com/rheumatology http://www.medicinenet.com/script/main/art.asp?articlekey=11968 https://en.wikipedia.org/wiki/Rheumatology https://en.wikipedia.org/wiki/Rheumatology http://www.medicinenet.com/script/main/art.asp?articlekey=11968
define rheumatology