Study to Evaluate the Efficacy of the Synera Patch Compared to Naproxen Sodium for Epicondylitis of the Elbow

Inclusion Criteria: * Individuals with clinical evidence of lateral or medial epicondylitis of the elbow. * Age 18 or higher * Minimum of 4 on Question 5 of BPI Exclusion Criteria: * Peripheral neuropathy of any origin in the index limb * Cubital tunnel syndrome in patients with medial epicondylitis * Cortisone injection in the last 4 weeks into the index limb * Surgical intervention in the past for the epicondiitis * Participants in any other clinical trial in the last 30 days * Known allergy to lidocaine, tetracaine, NSAIDs or PABA * Uncontrolled pain in the upper extremity or neck that may interfere with evaluation of study drug's response as deemed by the investigator * Patient who is deemed to be medically unstable by the principal investigator including but not limited to Liver disease or Cardiac arrhythmias * Patients who are pregnant, lactating or breast feeding * Vaccination within the last weeks or planning on any vaccinations during the study or for 4 weeks after the study completion.