Tendinitis: Inflammation of a tendon (the tissue by which muscle attaches to bone). Tendinitis most commonly occurs as a result of injury, such as to the tendons around the shoulder or elbow. It can also occur as a result of an underlying inflammatory rheumatic disease, such as reactive arthritis or gout. Tendinitis is synonymous with tendonitis.
Quick GuideRheumatoid Arthritis (RA) Symptoms & Treatment
Subscribe to MedicineNet's Arthritis Newsletter
Last Editorial Review: 5/13/2016