Symptoms of parkinsons
Pro Research Analysisby 
Searched over 200M research papers
Symptoms of Parkinson's Disease
Parkinson's disease (PD) is a progressive neurological disorder characterized by a variety of motor and non-motor symptoms. Understanding these symptoms is crucial for accurate diagnosis and effective management of the disease.
Motor Symptoms of Parkinson's Disease
Cardinal Motor Symptoms
The primary motor symptoms of Parkinson's disease are well-documented and include:
- Rest Tremor: Often the first symptom, it typically begins in one hand and can affect the arms, legs, feet, and face .
- Bradykinesia: This refers to the slowness of movement and is a hallmark of PD Jankovic2008Moustafa2016Fahn2003.
- Rigidity: Stiffness in the limbs and torso is another common symptom Jankovic2008Rana2015.
- Postural Instability: Impaired balance and coordination, leading to a higher risk of falls Jankovic2008Rana2015.
Secondary Motor Symptoms
In addition to the cardinal symptoms, PD patients may experience a range of secondary motor symptoms:
- Hypomimia: Reduced facial expression .
- Dysarthria and Dysphagia: Speech and swallowing difficulties .
- Micrographia: Small, cramped handwriting Jankovic2008Moustafa2016.
- Shuffling Gait and Festination: Short, rapid steps and a tendency to hurry forward Jankovic2008Moustafa2016.
- Freezing: Sudden, temporary inability to move Jankovic2008Fahn2003.
- Dystonia: Abnormal muscle contractions causing twisting and repetitive movements .
Non-Motor Symptoms of Parkinson's Disease
Cognitive and Neurobehavioral Symptoms
Non-motor symptoms are increasingly recognized as significant contributors to the disability associated with PD:
- Dementia: Cognitive decline is common in advanced stages Akbar2017Fahn2003.
- Depression and Anxiety: These mood disorders are prevalent and can significantly impact quality of life Akbar2017Fahn2003Schapira2017.
- Apathy and Fatigue: Lack of motivation and persistent tiredness are also frequent Akbar2017Fahn2003.
Autonomic Dysfunction
PD can affect the autonomic nervous system, leading to various somatic symptoms:
- Hypotension: Low blood pressure, particularly upon standing .
- Constipation: A common gastrointestinal issue Akbar2017Schapira2017.
- Diaphoresis: Excessive sweating .
Sensory and Sleep Disorders
Patients with PD often experience sensory abnormalities and sleep disturbances:
- Anosmia: Loss of sense of smell Jankovic2008Lim2010.
- Paresthesias and Pain: Abnormal sensations and pain are common Jankovic2008Schapira2017.
- Sleep Disorders: Including REM sleep behavior disorder and insomnia Jankovic2008Lim2010.
Conclusion
Parkinson's disease presents a complex array of motor and non-motor symptoms that evolve over time. While motor symptoms like tremor, bradykinesia, rigidity, and postural instability are the most recognizable, non-motor symptoms such as cognitive decline, mood disorders, autonomic dysfunction, and sensory abnormalities also play a critical role in the disease's progression and impact on quality of life. A comprehensive understanding of these symptoms is essential for accurate diagnosis and effective management of Parkinson's disease.
Sources and full results
Most relevant research papers on this topic