What Is the Difference Between Parkinson’s and Essential Tremors?

When a person begins to notice shaking in their hands or other parts of their body, one of the first questions that comes up is: Is this Parkinson’s disease—or could it be something else, like essential tremor? Both conditions can look similar at first, but they are distinct disorders with different causes, symptoms, and treatments.

Understanding the difference between Parkinson’s disease and essential tremor is crucial—not only for an accurate diagnosis but also for finding the right treatment and support. Keep reading to learn the key distinctions that can help bring clarity and peace of mind.

What Is Parkinson’s Disease?
Parkinson’s disease (PD) is a neurodegenerative disorder that affects movement, muscle control, and balance. It occurs when the brain gradually loses dopamine-producing cells, leading to hallmark symptoms such as:

• Resting tremor (shaking when muscles are at rest)
• Muscle stiffness and rigidity
• Slowness of movement (bradykinesia)
• Changes in posture and balance
• Non-motor symptoms such as sleep issues, mood changes, and speech difficulties

What Are Essential Tremors?
Essential tremor (ET) is a neurological condition that primarily causes involuntary shaking, most often in the hands, head, or voice. Unlike Parkinson’s, essential tremor is not caused by dopamine loss or progressive neurodegeneration.
Key features include:

• Tremors that occur during movement or when holding a position (not at rest)
• A family history—ET often runs in families
• Tremors that may worsen with stress, fatigue, or caffeine
• Usually fewer non-motor symptoms compared to Parkinson’s

Key Differences Between Parkinson’s and Essential Tremor

• When tremors appear: Parkinson’s tremors usually occur at rest; ET tremors appear during action.
• Other symptoms: Parkinson’s includes stiffness, slowness, and balance problems; ET is mostly tremor-focused.
• Cause: Parkinson’s is tied to dopamine loss; ET has a different neurological origin and is often hereditary.
• Progression: Parkinson’s progresses with additional symptoms beyond tremors; ET may remain limited to shaking.

Why an Accurate Diagnosis Matters
Because the two conditions require different management strategies, it’s essential to seek evaluation from a neurologist or movement disorder specialist. Correct diagnosis ensures the most effective treatment plan and helps individuals access the right resources for long-term well-being.

Why Support Matters
A diagnosis of any form of Parkinson’s can feel overwhelming. But with the right support and resources, individuals can maintain independence, quality of life, and emotional well-being.

For resources, referrals, and support in navigating Parkinson’s and related conditions, contact the Parkinson’s Association of Southwest Florida (PASWFL) at www.paswfl.org or call 239-417-3465.
For over 25 years, PASWFL has provided free, high-quality services and programs to individuals and families touched by Parkinson’s disease in Southwest Florida. Their goal is simple: help people live well with PD, regardless of where they are in their journey.

Each week, PASWFL offers more than 25 free programs and support groups, including:

• Wellness and fitness classes
• Speech exercise classes
• Educational seminars
• Support for care partners
• Support groups

There are no fees to become a member, and PASWFL welcomes anyone touched by PD.
Take the First Step Toward Living Well
If you suspect early Parkinson’s or have been recently diagnosed, you don’t have to face it alone.
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To learn more, visit www.paswfl.org and discover the power of support, education, and community.