Many tendons surround the wrist joint. The symptoms of wrist tendonitis and other tendon problems depend on the severity of the injury. 2 Common Symptoms of Wrist Tendonitis 1 This inflammation typically causes symptoms such as pain, swelling, stiffness, and/or warmth in the wrist. Repetitive strain and overuse can cause the following symptoms: Pain in the wrist … 1 Wrist tendonitis is caused due to small (micro) tears in a tendon as a result of sudden or repetitive injury. Wrist tendonitis (tendinopathy) is inflammation, or more likely degeneration, of any of the flexor or extensor tendons which cross the wrist joint. Tendinitis most commonly occurs in the shoulder, bicep, elbow, hand, wrist… Tendinitis is inflammation of a tendon – a thick, flexible cord of tissue that attaches muscle to bone. Tendons help muscles move bones. Wrist tendonitis usually affects one of the tendons… 2, 3 See Wrist Tendonitis … 1 Usually, the discomfort is spread within an area, rather than a specific point in the wrist. Sometimes, chronic tendon injury may intensify over time, resulting in acute pain. Wrist tendonitis—sometimes spelled tendinitis—is the inflammation of one or more tendons in the wrist. Wrist tendonitis, also called tenosynovitis, is a common condition characterized by irritation and inflammation of the tendons around the wrist joint.