Parkinson's disease (patient information)

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What is Parkinson's disease?

How do I know if I have Parkinson's disease and what are the symptoms of Parkinson's disease?

Symptoms of Parkinson's disease vary with each individual and the stage of Parkinson's disease. Early Parkinson's disease does not have any symptoms. As the disease developes, people may notice one or more of the following symptoms:

Tremor: Tremor often affects in a hand, arm, or leg. It occurs when the person is awake and sitting or standing still, and subsides when the person moves the affected body part.
Stiff muscles: Muscle stiffness often occurs in the limbs and neck. Later, the patient can not move an arm or leg normally and feel pain in the limb.
Masked face: This appearance is cause by loss of movement in the muscles in the face. Patients with Parkinson's disease may feel it difficult to speak and swallow.
Abnormal gait and difficulty in keeping balance: In the later course of the disease, patients with Parkinson's disease are likely to take small steps and shuffle with the feet close together. They also have trouble in turning around and keeping balance. These abnormities may result in frequent falls.

Who is at risk for Parkinson's disease?

The cause of Parkinson's disease is unknown. Many researchers believe that a combination of several factors is involved in the development of this disease.