Getting to know the use of tendonitis cream? Reach us at Justcbdstore.com. Tendonitis (or tendinitis) is tendon damage due to stress on the tendon due to sudden movement or repetitive overuse of the tendon. The injury immediately swells, causing pain and limiting the tendon's function. Healing a tendon is a long, complex process that usually completes in about six weeks but could take several months. Investigate our site for more information.