The typical Parkinson’s tremor occurs mostly at rest (“resting tremor”) and lessens during sleep and when the body part is actively in use. For example, your hand might shake while you’re sitting, or even while you’re walking, but when you reach out to shake hands with someone, the tremor is less noticeable or goes away entirely.

Tremor tends to occur in the hands and is often described as “pill-rolling”: imagine holding a pill between your thumb and forefinger and continuously rolling it around. But it can also appear in other parts of the body, including the lower lip, jaw or leg. These tremors can interfere with routine activities such as shaving, dressing, writing and many other tasks that require fine motor coordination.

Some people report an internal tremor, a shaking sensation inside the chest, abdomen or limbs that cannot be seen.

Tremor usually affects only one side of the body, especially during early stages of the disease. With disease progression both sides may become affected. Fatigue, stress or intense emotions can temporarily make tremors worse.

Who Is Affected by Tremor?

About 70% of people with Parkinson’s experience a tremor at some point in the disease. Tremor appears to be slightly less common in younger people with PD, though it is still one of the most troublesome symptoms. People with resting tremor usually have a more slowly progressing course of illness than people without tremor.

Tremor in Other Conditions

While tremor is a common symptom of Parkinson’s, it can also be a symptom of other conditions, most notably essential tremor. The main difference between Parkinson’s tremor and most other types of tremor is that in Parkinson’s resting tremor is most common. Other conditions are usually characterized by “action tremor,” which tends to lessen at rest and increase when you’re doing something, like trying to make a phone call or take a drink.

Tremors of the head and voice are also common in essential tremor but rare in Parkinson’s.

Managing Tremor

Levodopa is the medication most commonly given to control the movement symptoms of Parkinson’s, and tremor usually – though not always – responds to levodopa treatment.

If dopaminergic medications do not work to control tremor, other medications are sometimes used. For example, anticholinergics can be helpful for tremor. However, they can cause significant mental and physical side effects, so their use should be carefully considered. Anticholinergics are most useful in young people with tremor-predominant PD (when tremor is the main symptom that needs managing).

If medications are not effective, deep brain stimulation (DBS) is generally successful in controlling tremor, even medication-unresponsive tremor. Talk to your doctor about DBS and other surgical options that may help with tremor.

The treatment for internal tremor is the same as for visible tremor.

For more information on medications and DBS for tremor, read Parkinson’s Disease: Medications and A Guide to Deep Brain Stimulation

In addition to medication and surgical treatment, there are assistive devices that can help with various activities of daily living. One of these is Liftware, a utensil with a stabilizing handle to counteract PD-related tremor. It is available with spoon and fork attachments and helps steady the hand, so it can make it easier to scoop up food and bring it to the mouth.

Last but certainly not least, exercise is as important as medication and other therapies for managing Parkinson’s symptoms and leading your best possible life.

For more insights on this topic, listen to our podcast episode "Tremors: Coping & Treatment Options."


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