Tremor causes

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Zehra Malik, M.B.B.S[2]

Overview

Common causes of tremor in primary care include enhanced physiologic tremor, essential tremor, and Parkinson’s disease.

Causes

Common Causes

• Enhanced physiologic tremor
• Essential tremor
• Parkinson’s disease
• Excessive caffeine
• Psychogenic due to stress,anxiety, and depression
• Hypoglycemia
• Fatigue
• Aging
• Orthostatic tremor

Less Common Causes

• Wilson's disease
• Multiple sclerosis
• Alcoholism
• Hyperthyroidism
• Mercury poisoning
• Liver or kidney failure
• Drug Induced Tremors

Common Cause of Tremor	Type of Tremor	Main Feature of Disease
Essential tremor	Action - Postural Tremor	Weakness, hyporeflexia, lack of normal muscle tone
Parkinson’s disease	Resting Tremor	Slow movement, stooped posture, difficulty walking, rigidity imbalance, depression, apathy
Wilson's disease	Unilateral upper motor neuron	Weakness, reduced range of motion, decreased fine motor control of tongue & lips
Multiple sclerosis	Cerebellum	Poorly coordinated movements of speech mechanism, scanning/drunken speech
Hypoglycemia	Basal ganglia	Quick involuntary movements (hyperkinesis)
Alcoholism	Action - Postural Tremor	Less movement (hypokinesis), increased muscle tone
Hyperthyroidism	Action - Postural Tremor	Mixed presentation