Are there special side effects that can occur with cortisone joint injections?
Cortisone injections into a joint may have side effects in addition to those described above. Unique side effects of joint injections involve injury to the joint tissues, particularly with repeated injections. These injuries include thinning of the joint cartilage, weakening of the ligaments of the joint, increased inflammation in the joint (arthritis) due to a reaction to a corticosteroid that has crystallized, and introduction of infection into the joint. How are cortisone injections of soft tissues given? The medical professional administering the injection draws up the corticosteroid into a syringe. A local anesthetic (such as lidocaine) may simultaneously be drawn into the syringe. Next, the area to be injected is selected. Typically, the skin over the area to be injected is sterilized with a liquid solution, either alcohol or Betadine. Sometimes, the area is topically anesthetized by rapid cooling using a spray such as ethyl chloride. The needle of the syringe then is inserted in