Fibromyalgia is a chronic condition characterized by widespread musculoskeletal pain, fatigue, sleep disturbances, and sensitivity to touch. Current treatments often provide only partial relief. This study evaluates a non-invasive technique called transcutaneous auricular vagus nerve stimulation (TaVNS), which delivers gentle electrical impulses to a part of the ear connected to the vagus nerve. The vagus nerve plays an important role in regulating pain, stress, and autonomic body functions such as sleep. In this randomized controlled pilot trial, participants with fibromyalgia are assigned to receive either active TaVNS or sham (placebo) stimulation for 30 minutes per day, five days per week, over a four-week period. Participants are followed for a total of 8 weeks. The investigators will assess outcomes including pain intensity, sleep quality, central sensitization, and fear of movement (kinesiophobia).
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Fibromyalgia Impact Questionnaire (FIQ)
Timeframe: Baseline, Week 2, Week 4, Week 8
Pittsburgh Sleep Quality Index (PSQI)
Timeframe: Baseline, Week 2, Week 4, Week 8
Central Sensitization Inventory (CSI)
Timeframe: Baseline, Week 2, Week 4, Week 8