Parkinson’s Disease Symptoms: Early Signs & Stages

Parkinson’s disease is a progressive neurological disorder that mainly affects movement and is characterised by the loss of dopamine-producing neurons in the brain; it usually begins after the age of 50, although there are cases in younger individuals.

Parkinson’s disease symptoms typically start on one side of the body, including tremors, stiffness, and slow movements, and these then worsen over time. Non-motor symptoms, such as sleep problems or mood changes, can also affect daily life.

Although there is currently no cure, symptoms can often be managed through early diagnosis and individualised care. This blog looks at the symptoms of Parkinson’s and the various care options available in order to help improve quality of life.

What Is the Most Common First Symptom of Parkinson’s Disease?

The first symptoms of Parkinson’s disease are often subtle and easy to miss. A common early symptom is a slight tremor in the hand, fingers, or chin while at rest. Many also notice changes in handwriting where letters become very small and cramped. Diminished smell is another commonly reported early symptom. Non-motor symptoms, such as constipation and altered sleep patterns, may appear years before motor symptoms, according to the National Institute on Aging. Recognising these signs in the early stages can help with earlier diagnosis.

These signs have many possible causes, and having one does not mean someone has Parkinson’s. If you have noticed them, speak to a doctor.

What Are the Motor Features of Parkinson’s Disease?

The motor symptoms of Parkinson’s disease are the most obvious symptoms and often have an impact on a person’s daily activities. According to the National Institute on Aging, the main motor symptoms are tremor, rigidity, slowness of movement and problems with balance. A characteristic symptom is tremor, particularly the resting tremor or what is known as the pill-rolling movement of the fingers. Rigidity, meaning increased muscle stiffness, can cause movement to become painful and reduce flexibility. Bradykinesia, which is the slowness of movement, is also a key feature that makes simple tasks difficult. Postural instability, resulting in poor balance and a tendency to fall, usually occurs in the later stages.

These motor symptoms have a significant effect on a person’s ability to be independent and on their quality of life.

What Are the Non-Motor Symptoms Of Parkinson’s Disease?

The non-motor symptoms of Parkinson’s disease typically show up before or together with the motor symptoms and can have a major impact on a person’s everyday life. Many people experience changes in thinking, such as forgetting things and having trouble concentrating. Depression and anxiety are also frequently seen as mood disorders. People often report sleep problems, including insomnia and vivid dreams, or acting out dreams during sleep. Autonomic dysfunction, for example, in the form of low blood pressure, constipation, and bladder difficulties, can add to day-to-day difficulties. Sensory changes, such as a reduced sense of smell, vision problems, or pain without any obvious cause, are also important non-motor symptoms that should not be ignored.

At What Age Do People Get Parkinson’s?

Parkinson’s becomes more common with age. In Western studies, symptoms usually begin in the early to mid-60s; an Indian multicentre study found an average age of onset of 54.2 years. Onset before 50 is called early-onset Parkinson’s disease (EOPD). Genetic factors are more often involved in early-onset cases. Parkinson’s is more common in men than in women, and the reasons are not fully understood. Some environmental exposures, such as certain pesticides and solvents, have been associated with a higher risk. Early diagnosis can help people get the right support sooner.

How To Know If Parkinson’s Is Progressing?

Parkinson’s progresses gradually, with symptoms becoming more pronounced over time. The pace and pattern vary widely, and not everyone experiences every change listed here:

1. Early Stage – Subtle tremors, small handwriting changes, reduced facial expressions, or mild stiffness with minimal impact on daily activities.
2. Mid Stage – More stiffness and slowness, and early changes in balance. Medication is usually reviewed and adjusted over time.
3. Advanced Stage – Severe motor symptoms such as frequent falls, freezing of gait, and more help needed with daily activities.

Some people develop changes in thinking, including dementia, or hallucinations. The risk rises the longer someone has lived with Parkinson’s. Mood changes, constipation and sleep disturbances can also become more noticeable.

More support may be needed. Telling your neurologist about new changes helps the care plan keep up.

Some changes, such as difficulty speaking clearly, walking steadily or maintaining coordination, can appear at any stage.

Symptoms You Should Never Ignore

Some early symptoms of Parkinson’s disease, such as soft or slurred speech, reduced facial expressions (masked face), and small handwriting (micrographia), can be early signs of Parkinson’s, although they have many other possible causes. These subtle changes should not be overlooked as they may indicate neurological involvement. Get prompt medical attention for a sudden change in thinking or alertness, new hallucinations, a fall with injury, or choking when eating or drinking.

If you have noticed any of these signs but have not been diagnosed, speak to a doctor first.

Therapies Available at Plexus for Parkinson’s Disease

At Plexus, at our Bangalore and Hyderabad centres, support begins with a doctor-led assessment of how the condition is affecting the person: tremors, movement, balance, speech, thinking and mood. A plan may then bring together:

• Cell Therapy: Offered to patients found eligible after a detailed, doctor-led assessment, as a minimally invasive day-care procedure.
• Physiotherapy: Work on mobility, balance, posture and walking, including strategies for stiffness and freezing. 
• Occupational Therapy: Focuses on retraining hand functions, managing bradykinesia, and improving daily living skills to support independence.
• Aquatic Therapy: Water-based exercises that provide low-impact resistance, which may help with muscle stiffness and coordination in a supportive environment.
• Specialised speech and movement therapy: Targeted exercises to address slurred speech, swallowing difficulties, and communication challenges common in Parkinson’s.
• Cognitive rehabilitation: Structured work on attention, memory, word-finding and planning. 
• Mental health therapy: Support for mood, motivation and adjustment, for the person and their family. 

Caregivers are taught the home exercises and handling techniques as part of the programme. The plan is reviewed regularly and adjusted as needs change. Individual outcomes vary.

Why Families Choose Plexus for Parkinson’s Care

Plexus is set up to give personalised care to every person. Led by neurologist Dr. Na’eem Sadiq, with physiotherapists, occupational therapists and speech therapists working in one coordinated programme, Plexus takes a patient-centred approach. The facilities include dedicated spaces for physiotherapy, occupational therapy and speech therapy, and an on-site aquatic therapy pool. By focusing on wellbeing, Plexus aims to provide a comfortable and supportive setting for patients and their families.

Other Conditions Plexus Supports

At Plexus, our expertise extends beyond Parkinson’s disease to offer comprehensive care for a variety of neurological and related conditions. We provide specialist programmes for conditions including Brachial Plexus Injury, Spinocerebellar Ataxia, Sensory Processing Disorder (SPD), Cerebral Palsy, Multiple Sclerosis, Spinal Cord Injury, Motor Neuron Disease, Stroke, Autoimmune Conditions, Orthopedic Conditions, and Sports Injuries.

Final Thoughts

Parkinson’s disease has a wide range of motor and non-motor symptoms, including tremors and sleep disturbances, and has an effect on everyday life. Identifying early signs of Parkinson’s, such as resting tremors or a loss of sense of smell, can lead to earlier assessment and support.

At Plexus, we provide coordinated, multidisciplinary support aimed at mobility, independence and wellbeing. Individual outcomes vary. 

If you have noticed changes and would like to talk through what support might help, contact Plexus to enquire.

FAQs

How does Parkinson’s affect daily activities?

It can cause difficulties with activities such as writing or walking as a result of tremors and stiffness.

Can lifestyle changes improve Parkinson’s symptoms?

Regular exercise may help with mobility, balance and wellbeing, and a balanced diet with enough fibre and fluids can help with constipation. No diet has been shown to change the course of Parkinson’s disease.

Are there support groups for people with Parkinson’s?

Yes. Your neurologist or a local Parkinson’s association can point you to groups that offer emotional and practical support for people with Parkinson’s and their caregivers. Plexus also offers mental health therapy for caregivers in their own right.

How does Parkinson’s impact speech?

It can make the voice quieter and speech less clear. Speech and language therapy may help with loudness and clarity.

What role do caregivers play in Parkinson’s care?

Caregivers assist with daily tasks and emotional support, enhancing wellbeing. Caregivers’ own wellbeing matters too, and support is available for them in their own right.

What are the most common early signs of Parkinson’s?

Common signs include tremors, slowed movement, muscle stiffness, balance problems, and changes in walking or posture. These signs have many causes, so speak to a doctor rather than self-assess.

Sources

National Institute on Aging. Parkinson’s Disease: Causes, Symptoms, and Treatments. https://www.nia.nih.gov/health/parkinsons-disease/parkinsons-disease-causes-symptoms-and-treatments

Kishore, A., Borgohain, R., Puthenveedu, D. K., Rajan, R., Pal, P. K., et al. (2025). Demographic and clinical profiles of Parkinson’s disease in India: Observations from a nation-wide multicenter study. Movement Disorders, 40(10), 2220–2233. https://doi.org/10.1002/mds.30310

Educational disclaimer: For educational purposes only, not medical advice. Treatment decisions require professional consultation.

Medically Reviewed By

Dr. Na’eem Sadiq

Medical Director of Plexus

Medically reviewed: October 09, 2026

Dr. Na’eem Sadiq is a neurologist and neuropsychiatrist with over 35 years of clinical experience in treating complex neurological disorders. He founded Plexus in 2011 with a mission to enhance the quality of life for people living with neurological conditions. His areas of expertise include Neurology, Parkinson’s Disease, Multiple Sclerosis, Epilepsy, Migraine, Demyelinating Polyneuropathy and Cell Therapy.