Physiologic tremor

Physiologic tremor is a type of tremor that is typically fine, fast and usually detected when the muscles are under tension. It is a normal phenomenon, and it is the most common of all involuntary movements.

Overview

Physiologic tremor can be seen in all healthy individuals. It is rarely visible to the eye and may be heightened by strong emotion, physical exhaustion, hypoglycemia, hyperthyroidism, heavy metal poisoning, stimulants, alcohol withdrawal or fever. It can be seen in all voluntary muscle groups and can be detected by extending the arms and placing a piece of paper on top of the hands.

Causes

Physiologic tremor can be caused by a variety of factors, including:

• Stress and anxiety
• Physical exhaustion
• Hypoglycemia
• Hyperthyroidism
• Heavy metal poisoning
• Use of stimulants
• Alcohol withdrawal
• Fever

Symptoms

The main symptom of physiologic tremor is the occurrence of fast, fine tremor in the voluntary muscles, especially when they are under tension. This tremor is usually not visible to the naked eye.

Diagnosis

Physiologic tremor is usually diagnosed based on the patient's symptoms and a physical examination. The doctor may also order tests to rule out other conditions that can cause tremors, such as hyperthyroidism or hypoglycemia.

Treatment

Treatment for physiologic tremor is usually not necessary, as it is a normal phenomenon. However, if the tremor is caused by an underlying condition, such as hyperthyroidism or hypoglycemia, treating that condition may help reduce the tremor.

See also

• Tremor
• Hyperthyroidism
• Hypoglycemia
• Stress
• Anxiety

Physiologic tremor Resources
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