taVNS Treatment for Fibromyalgia

Inclusion Criteria: * Meet the American College of Rheumatology (ACR) 1990 classification criteria and the ACR 2010 diagnostic criteria for fibromyalgia as determined by clinicians. * Willingness to complete a 4-week, twice-a-day treatments. * At least a 10th grade English-reading level; English can be a second language provided that the patients understand all questions used in the assessment measures. Exclusion Criteria: * Diagnosed with medical conditions that are known to contribute to fibromyalgia symptomatology, such as thyroid disease, inflammatory arthritis, systemic lupus erythematosus, rheumatoid arthritis, myositis, vasculitis, or Sjogren's syndrome. * History of cardiac, respiratory, or nervous system disease that, in the investigator's judgment, precludes participation in the study because of a heightened potential for adverse outcome. For example: asthma or claustrophobia. * Personal history of medical or psychiatric illness as determined by investigator. * Pregnant or lactating. * Less than a 10th grade English-reading level; English can be a second language provided that the patients understand all questions used in the assessment measures.