Trigger Point Injections Versus Lidocaine Patch for Myofascial Pain in the Emergency Department

Inclusion Criteria: * 18 years or older * Diagnosed with myofascial pain of the posterior neck or back. \*The diagnosis of myofascial pain was based on established criteria of having a palpable taut band (trigger point) that when depressed reproduced the patient's pain. Exclusion Criteria: * midline spinal tenderness * evidence of radiculopathy * pregnant * have an allergy to lidocaine * altered or deemed incapable of making informed consent * had signs of infection or skin breakdown over the trigger point.