Essential tremor is a common movement disorder marked by involuntary shaking that most often affects the hands, but can also involve the head or voice. Tremor usually increases with action or certain postures and varies between people. The sections below summarize typical signs, common triggers, and which specialists can help with assessment and management.
Essential tremor typically appears as an action (movement‑related) or postural tremor — for example, shaking that becomes more noticeable when holding a cup or writing. Severity can fluctuate during the day and tends to worsen with fatigue or stress in some people. Progression differs between individuals; for many it remains mild, while others may experience more noticeable limitations in daily tasks.
Most commonly the hands are affected, but head nodding or voice tremor can occur. Common triggers include emotional stress, tiredness, caffeine and cold. Fine motor activities such as eating, writing or buttoning clothing may become harder, which can affect work and social activities. Simple aids and small changes at home or work can help maintain independence.
If tremor begins to interfere with daily activities, or if you notice a new or rapidly worsening tremor, a consultation with a neurologist is appropriate. Specialists in movement disorders (neurologists with additional expertise) can offer focused assessment. If tremor appears alongside sudden weakness, new speech or vision problems, severe dizziness or loss of balance, seek urgent or emergency care.
Diagnosis usually starts with a detailed medical history and neurological examination; imaging or electrophysiological tests may be used selectively to exclude other causes. Management is guided by how much symptoms affect daily life and may include occupational therapy, adaptive devices and lifestyle measures such as identifying and reducing triggers. This section is for general information; individual recommendations require a specialist evaluation.
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