A hand that shakes while resting, handwriting that keeps getting smaller, or walking that feels slower than before can be easy to dismiss. These changes have several possible causes. When they persist or gradually become more noticeable, however, it may be time to speak with a healthcare professional.

Parkinson’s disease affects the brain's ability to control movement. Some people first notice a tremor, while others experience stiffness, slower movements, or changes in their walking pattern. Sleep, smell, digestion, and mood can also be affected.

Knowing what to look for can help you recognize when a neurological evaluation may be appropriate.
 

What Is Parkinson’s Disease?

Parkinson’s disease is a progressive neurological condition that affects nerve cells involved in movement. These cells help produce dopamine, a chemical messenger that allows the brain to coordinate movements smoothly. As dopamine-producing cells are lost, movement can become slower and less controlled.

Symptoms usually develop gradually, but the pattern varies from person to person. One person may have a noticeable tremor, while another may experience stiffness or difficulty walking without much shaking.

The Parkinson’s Foundation’s overview of the disease explains the condition, its symptoms, and available treatment options in more detail.

Early Parkinson’s Disease Symptoms

The first signs of Parkinson’s disease can be subtle. A person might notice a change in one hand or find that familiar activities take more effort. Family members may also notice differences in walking, facial expression, or speech.

Tremor in the Hands or Fingers

A tremor is one of the best-known Parkinson’s disease symptoms. It often starts in one hand or a few fingers and may be more noticeable when the hand is resting. Some people develop a repeated rubbing movement between the thumb and index finger.

Not every tremor points to Parkinson’s disease. Essential tremor, certain medications, and other medical conditions can also cause shaking. The timing of the tremor and the presence of other symptoms help a clinician assess its possible cause.

Slower Movement

Everyday tasks may begin to take longer. Buttoning a shirt, brushing teeth, turning in bed, or getting up from a chair can require more effort than before.

This slowness is called bradykinesia. It is a key feature of Parkinson’s disease and may occur with stiffness or tremor. Walking can also become slower, with shorter steps or difficulty starting a movement.

If these changes interfere with normal activities, a medical assessment can help determine what is causing them.

Muscle Stiffness

Parkinson’s disease can make the muscles feel tight or stiff, particularly in the arms, legs, shoulders, or neck. Moving an affected limb may feel more difficult, and ordinary activities can become uncomfortable.

Stiffness can also come from arthritis, injuries, and other conditions. A clinician will consider where the stiffness occurs, how it changes over time, and whether other neurological symptoms are present.

Changes in Walking and Balance

Some people develop shorter steps, a shuffling walk, or reduced arm movement on one side. Turning around may become harder, and balance difficulties can develop as the disease progresses.

Pay attention to changes that affect safety or independence. Repeated stumbling, falls, or difficulty walking should be assessed rather than automatically attributed to aging.

Smaller Handwriting

Handwriting may gradually become smaller and more cramped. This change, known as micrographia, can show up in a signature, a shopping list, or everyday paperwork.

Smaller handwriting alone doesn't establish a diagnosis. If it appears alongside stiffness, tremor, or slower hand movements, mention it during a medical appointment.

Changes in Speech or Facial Expression

Parkinson’s disease can affect the muscles used for speaking and facial expression. A person's voice may become quieter, or their face may appear less expressive than before.

These changes are sometimes noticed by family members first. If a quieter voice or reduced facial movement develops alongside other symptoms, it is worth discussing with a healthcare professional.

Changes in Smell, Sleep, or Digestion

Parkinson’s disease can also involve symptoms that don't directly affect movement. Some people experience a reduced sense of smell, constipation, sleep disturbances, or mood changes. Certain sleep problems may begin before the more familiar movement symptoms.

These symptoms are common for many reasons and do not, on their own, indicate Parkinson’s disease. Their significance depends on the person's overall health and the combination of symptoms.

How Is Parkinson’s Disease Diagnosed?

There is no single routine test that confirms every case of Parkinson’s disease. Diagnosis relies primarily on medical history and a neurological examination.

During an appointment, a neurologist may ask when the symptoms began, whether one side of the body is affected more than the other, and how the changes affect daily activities. The examination may include walking, turning, finger movements, muscle stiffness, and tremor.

Additional tests may be recommended when another condition could explain the symptoms. Brain imaging can help rule out certain causes, while a dopamine transporter (DaT) scan may help in selected cases. A DaT scan does not distinguish Parkinson’s disease from every other condition that causes similar symptoms.

The doctor uses the findings together to decide whether Parkinson’s disease is the most likely explanation and whether further investigation is needed.

For more information, the National Institute of Neurological Disorders and Stroke explains how Parkinson’s disease is diagnosed and treated.

What Treatments Can Help With Parkinson’s Disease?

There is currently no cure for Parkinson’s disease, but treatment can help manage symptoms and support everyday functioning. The approach depends on the symptoms, their effect on daily life, and how the person responds to treatment.

Medication

Levodopa, usually prescribed with carbidopa, is one of the main medications used to manage Parkinson’s movement symptoms. It helps increase dopamine availability in the brain and can improve symptoms such as slowness and stiffness.

Other medications may be appropriate depending on the person's needs. Over time, some people find that their symptoms return before the next dose or that medication effects become less predictable. A clinician can review the treatment plan and discuss possible adjustments.

Patients should not change their medication dose or stop treatment without consulting their prescriber.

Physical and Occupational Therapy

Physical therapy can help people work on strength, flexibility, walking, balance, and mobility.

Occupational therapy focuses on everyday activities such as dressing, preparing meals, writing, and moving safely around the home. Speech therapy may also help people whose voice has become quieter or who experience difficulty speaking or swallowing.

The right combination depends on which symptoms are affecting the person's daily life.

Deep Brain Stimulation

Some people whose movement symptoms are not adequately controlled with medication may be considered for deep brain stimulation (DBS). The procedure uses electrodes placed in specific areas of the brain to deliver electrical stimulation.

DBS can improve certain movement symptoms in appropriately selected patients, but it is not suitable for everyone. It does not cure Parkinson’s disease or stop its progression, and it may not improve symptoms such as balance difficulties or cognitive changes. A specialist assessment is needed to determine whether it is an appropriate option.

When Should You See a Neurologist?

Consider arranging an appointment if you notice persistent changes such as:

• A tremor that occurs while the hand is resting.

• Increasing stiffness or slower movements.

• A noticeable change in walking or arm movement.

• Handwriting that has become progressively smaller.

• Several movement changes occurring together.

You don't need to experience every symptom to seek medical advice. Keep track of when the changes started, how often they occur, and whether they are affecting everyday activities. A list of current medications can also help during the appointment.

Sudden symptoms need urgent attention. Facial drooping, sudden weakness or numbness on one side, difficulty speaking, or a sudden loss of balance can indicate a stroke. Call 911 immediately rather than waiting for a routine appointment.

Parkinson’s Disease Care at Bansal Neuro

Bansal Neuro provides neurological care for conditions affecting the brain, nerves, and muscles, including Parkinson’s disease. Its practice serves patients in Libertyville, Illinois; Kenosha, Wisconsin; and Phoenix, Arizona.

If you have noticed changes in movement or have questions about possible neurological symptoms, you can learn more about the practice's neurology services or contact the team to ask about available appointments.

• Libertyville, IL: Visit the Bansal Neuro contact page.

• Kenosha, WI: Visit the Bansal Neuro contact page.

• Phoenix, AZ: Visit the Bansal Neuro contact page.

A clinician can review your symptoms and determine whether further evaluation or treatment is appropriate. Not every tremor or movement change is caused by Parkinson’s disease, so understanding the underlying cause is an important first step.

Frequently Asked Questions

Can Parkinson’s disease begin without a tremor?

Yes. Some people first experience slower movement, stiffness, or changes in walking. Tremor is common, but it does not occur in every person with Parkinson’s disease.

Can an MRI diagnose Parkinson’s disease?

An MRI cannot definitively diagnose Parkinson’s disease. It may help rule out other conditions that cause similar symptoms. Diagnosis is based mainly on the person's symptoms, medical history, and neurological examination.

Is Parkinson’s disease treatable?

Yes. Although there is no cure, medications, physical and occupational therapy, and certain procedures can help manage symptoms. Treatment is tailored to the person's needs and may change over time.

Does Parkinson’s disease progress at the same rate in everyone?

No. The rate of progression and the symptoms that cause the most difficulty vary between individuals. Regular follow-up allows clinicians to review symptoms and adjust treatment when needed.

Get Help Understanding Your Symptoms

A tremor, stiff muscles, or slower movement doesn't automatically mean Parkinson’s disease. These symptoms can have several causes, and a medical evaluation can help clarify what is happening.

If you are concerned about changes in movement, contact Bansal Neuro to ask about neurological care in Libertyville, Kenosha, or Phoenix.

This article is for educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment.

Learn the early symptoms of Parkinson’s disease, how doctors diagnose it, and which treatments can help manage movement changes. Find neurological care in Libertyville, Kenosha, and Phoenix.

Parkinson’s disease can cause tremors, stiffness, slower movement, and changes in walking. Learn about early symptoms, diagnosis, treatment options, and when to see a neurologist.

For more information about neurological evaluation and care, visit Bansal Neuro’s neurology services page or contact the team to enquire about appointments. You can also learn more about Parkinson’s disease, its symptoms, and treatment options through the Parkinson’s Foundation and explore further information on diagnosis, treatment, and research from the National Institute of Neurological Disorders and Stroke (NINDS).