Tennis elbow (lateral epicondylitis) refers to an harm on the outer elbow tendon that occurs right after arduous overuse of the muscles and tendons from the forearm, close to the elbow joint.  Steroids: Shots into your elbow tendons can briefly ease several of the swelling and pain all around your elbow joint. https://www.theorthopaedicandpainpractice.com/how-to-alleviate-tennis-elbow-pain-tips-from-a-medical-expert/