Essential Tremor

Description

A nervous system (neurological) disorder that causes involuntary and rhythmic shaking. It can affect almost any part of the body, but the trembling occurs most often in the hands — especially when trying to do simple tasks, such as drinking from a glass or tying shoelaces.

Common Symptoms

• Begins gradually, usually on one side of the body
• Worsens with movement (action tremor)
• Most common in the hands
• Can also affect the head (a "yes-yes" or "no-no" motion), voice, arms or legs
• May be aggravated by stress, fatigue, or caffeine

Common Causes

• About half of cases appear to result from a genetic mutation (familial tremor). For the other half, the cause is unknown.

Treatment Information