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There are several different types of tremor, including essential tremor, drug-induced tremor, Parkinson's tremor, and tremor due to other conditions such as neuropathy (nerve pain), stroke, liver failure, multiple sclerosis, and high levels of thyroid hormone.
Patients with essential tremor shake when they move their hand, while Parkinsonâs sufferers shake when they stay still. Parkinsonâs disease is a disorder of the nervous system characterized by tremor and shaking, weakness and facial paralysis. It occurs when the nerve cells in the brain that make dopamine are destroyed.