Why Fibromyalgia Causes Shoulder, Arm, and Collarbone Pain

Understanding the Nervous System, Muscle Tension, and Daily Overload Fibromyalgia is a complex and often misunderstood chronic pain condition. While it is commonly associated with widespread body pain, many people living with fibromyalgia report persistent discomfort specifically in the shoulders, arms, neck, and collarbone (clavicle) region. This pain can feel deep, burning, heavy, stiff, or even electric, and it often interferes with daily tasks such as lifting objects, sitting at a desk, sleeping, or even wearing certain clothes. For those experiencing it, this pain is very real — yet medical…

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