Gout: This can be a kind of arthritis due to the development of abnormal crystals could potentially cause sudden attacks of swelling and extreme pain while in the elbow. Top Symptoms: elbow pain, pain in a single elbow, elbow pain from overuse, pain within the pinky side from the elbow https://www.theorthopaedicandpainpractice.com/the-latest-advances-in-elbow-nerve-pain-treatment/