11/12/2025
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Tremor (Shaking) Due to Fibromyalgia (FM)
A Tremor is an involuntary movement of the limbs, body or head. It is a common symptom of FM, but it can also occur in conditions such as Parkinson’s disease and as a side effect of some medications.
Tremor in Fibromyalgia
FM tremor can impact your daily and long-term quality of life. It occurs because the nerve pathways that coordinate movement are not working effectively. People with FM who have tremors may also have associated symptoms such as difficulty in speaking (dysarthria) or in swallowing (dysphagia). This is because the same pathways involved in coordinating movement govern these activities.
What Are Fibromyalgia Tremors Like?
The experience of tremor varies from person to person. For many, it feels like a lack of control of their movements. Tremor can be pronounced or slight. For instance, some people experience minor tremor, which sometimes affects their handwriting. In others, tremor is so significant that they cannot write at all.
In general, with FM, it’s good to remain as active as possible. Inactivity can lead to muscle weakness and make tremors worse. It's important to try to prevent loss of range of motion and/or loss of muscle strength.Look into specific exercises and training to control tremor. Balance exercises may improve core stability, and “task-oriented” training, which you would practice with an occupational therapist (OT), may help with intention tremor. Pilates or yoga can also help increase core stability, improving posture, balance and alignment, and reducing tremor in the limbs.You may experience tremor after exercise, but muscle shaking after physical activity is common for people who do not have MS, too. Other causes of muscle tremor after physical activity are fatigue, dehydration and low blood sugar.
It is important to contact your GP if you are struggling with tremors.