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Essential Tremor

The most common movement disorder, producing action tremor of the hands and head without the other features of Parkinson disease.

Written by: Saygı Hospital Health Guide Editorial Board
Published:

This content is for general information; please consult your physician for diagnosis and treatment.

References (5)

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What is Essential Tremor?

Essential tremor is the most prevalent adult movement disorder, affecting approximately 1% of the population and up to 5% of people over age 65. It has a strong familial component, with autosomal dominant inheritance reported in more than half of cases.

The Movement Disorder Society consensus defines essential tremor as an isolated bilateral upper-limb action tremor lasting at least three years, with or without tremor of the head, voice, or lower limbs, and without additional neurological signs.

Although long considered benign, essential tremor can significantly impair writing, eating, and occupational tasks, and may be associated with subtle cerebellar signs and mild cognitive changes, particularly in late-onset forms.

Diagnosis is clinical and requires exclusion of Parkinson disease, drug-induced tremor, and enhanced physiologic tremor.

Symptoms

Bilateral action tremor of the upper limbs during writing, eating, or pouring
Tremor of the head (titubation) or voice in some patients
Absence of rest tremor, rigidity, and bradykinesia
Gradual worsening over years with age-related progression
Transient improvement with small amounts of alcohol
Increased tremor with stress, fatigue, or caffeine

Risk Factors

Positive family history with autosomal dominant pattern
Advancing age, with prevalence rising after 60
Exposure to environmental toxins such as harmane
Stress and anxiety amplifying symptoms
Certain medications including valproate and beta-agonists
Thyroid dysfunction may unmask or worsen tremor

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Tremor interfering with daily activities or occupational tasks
  • New asymmetric tremor, rest tremor, or other neurological findings
  • Tremor worsening despite first-line medication

Treatment Methods

01
First-line therapy with propranolol or primidone, titrated to benefit and tolerability
02
Second-line options including topiramate, gabapentin, or benzodiazepines for short-term use
03
Botulinum toxin injections for head or voice tremor
04
MRI-guided focused ultrasound thalamotomy for medication-refractory cases
05
Deep brain stimulation of the ventral intermediate nucleus in severe disabling tremor
06
Occupational therapy, weighted utensils, and adaptive strategies to improve function

Which Department to Visit?

You can visit our Nöroloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.