KnowYourDisease.Com Benign Essential Tremor, Benign Essential Tremor Definition, Causes, Risk Factors, Symptoms, Diagnosis & Treatment, Benign Essential Tremor Syndrome, Shaking Hands Tremor, Benign Essential Tremor Disease
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Benign Essential Tremor
(Essential Tremor, Familial Tremor)

Definition:
Benign essential tremor (ET) is a movement disorder most commonly characterized by shaking in the hands. It may also cause shaking of the head, voice, arms, and trunk, and less often, of the legs and feet. Two types of tremor are common with ET:

Postural Tremor—shaking in certain positions only, such as with arms outstretched

Kinetic or Action Tremor—shaking that gets worse during activities, such as eating or shaving

In some cases, ET can be socially isolating. It may interfere with normal daily activities such as writing or speaking. If so, contact your doctor for an evaluation.

Causes:
The cause of ET is unknown. However, it does run in families. When inherited, it is often called familial tremor. Children of parents with ET have a 50% chance of inheriting the condition.

In cases where there is no family history of tremor, other factors such as toxins may play a role, though this is far from clear. People with ET appear to have faulty brain circuits, but it is not yet known whether a brain abnormality is causing this movement problem.

Risk Factors:
A risk factor is something that increases your chances of getting a disease or condition. Family history of tremors is the only known risk factor for ET. Although the condition may occur at any age, it is more likely to occur in people older than 40 years old.

Symptoms:
ET is generally not serious, but its severity may vary and worsen over time. Symptoms of ET may include:
  • Uncontrollable, rhythmic, up-and-down movement
  • Shaking in hands, arms, head, voice, trunk, legs, or feet on both sides
  • Shaking only in certain positions or during activity
  • Trouble with fine motor skills such as drawing, sewing, or playing an instrument
  • Shaking that gets worse from caffeine, stress, fatigue, or heat

To be considered as having ET, tremors must be related to other health conditions.

Diagnosis:
Your doctor will ask about your symptoms and your medical and family history, and perform a physical exam, paying particular attention to your neurologic system. At this time, there are no special tests used to diagnose ET. But you may have blood, urine, or other tests to rule out other causes of tremulousness, such as:
  • Parkinson's disease
  • Elevated thyroid hormone
  • Low blood sugar
  • Stroke
  • Medications
Treatment:
Most people with ET do not require treatment. Mild tremors may be relieved or even eliminated by simple measures, including:
  • Staying well-rested
  • Avoiding caffeine
  • Avoiding stimulants often found in over-the-counter medications like cold remedies
  • Avoiding temperature extremes

Talk to your doctor about any medications that may be contributing to your symptoms. If your symptoms are troubling, the following treatment options may be helpful:

Medication

  • Beta-blocker (propanolol), heart medication
  • Anti-seizure medications (primidone)
  • Sedatives (benzodiazepines)

Surgery
In rare cases where tremors are very disabling and medications don’t help, surgery may be an option. Two approaches are possible.

  • Deep brain stimulation: transmits painless electrical pulses to the brain, interrupting faulty signals
  • Thalamotomy: destroys a tiny part of the brain generating the tremors
Prevention:
There is no known way to prevent ET
 
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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