Arthroscopic treatment of lateral epicondylitis has been well documented in the orthopedic literature. When these patients also suffer from symptoms of medial epicondylitis and fail conservative treatment, a combined medial and lateral epicondylar debridement can be performed with excellent patient outcomes. On completion of the extensor carpi radialis brevis debridement, the instruments are reversed using a switching stick, and a thorough debridement of the flexor-pronator mass is performed. From a series of 14 patients who underwent this combined procedure and agreed to participate, 79% of patients were satisfied with their outcome and 86% would have the same surgery again, if needed. We have not had any neurological complications from this procedure. Concomitant medial and lateral epicondylitis can be safely and successfully treated using a combined arthroscopic technique.