Abstract
Osteoarthritis (OA) of the knee is a very common disease. However, there are few treatment options for these patients. Botulinum toxin (TBA) is an option for chronic pain. If we prove effectiveness of its use for intra-articular analgesia, TBA can be useful to treat these patients. Objective: Compare the effectiveness of the use of intra-articular corticosteroid versus TBA in the treatmen…