Tendonitis occurs when tendons become irritated or inflamed, which causes pain and tenderness in the affected area. Symptoms can affect any tendon, but most often happen in the heels, knees, wrists, elbows, and shoulders. Tendonitis is frequently caused by repetitive movements of joints, and can range from mild symptoms to more severe. Studies have shown that acupuncture can help reduce the pain symptoms related to tendonitis in both acute and chronic cases by increasing blood flow and oxygen saturation in the affected area. It’s important to seek help for tendonitis pain as soon as possible for the most effective relief.