Eventually, this results in erosion of the opposing bones of the joint. (primarycarevet.com)
This way, the bones of the joint are no longer in contact, which eliminates the pain that is caused by the abnormal contact of the bones in a dog with hip dysplasia or severe osteoarthritis. (topdoghealth.com)
Most commonly this medication is injected in to the muscle of the affected joint where it helps to keep the cartilage intact and healthy so that the bones of the joint do not rub against each other causing pain. (caninejournal.com)