Parkinson's Medical Reference

Rigidity is a leading symptom of Parkinson’s disease. Learn about the symptoms, treatment, and more.

Hypokinesia is a decrease in the range or amplitude of movements. Learn about what causes it, what to expect, and more.

Lack of sleep contributes to in hallucinations, a key feature of Parkinson’s disease psychosis. Find out ways to sleep better so you can reduce hallucinations -- and how you can reduce hallucinations to sleep better.

If you have Parkinson’s disease, you may develop hallucinations and delusions as the disease progresses. Find out how you and your caregivers can manage them.

About half the people with Parkinson’s disease also have depression and anxiety. Learn how to spot these symptoms and what you can do about them.

If your Parkinson's symptoms start to come back after you've been controlling them for years with medicine, you have lots of ways to get help. You may need to try a different dose of your current drugs, additional medications, lifestyle changes, or other strategies.

If your Parkinson's symptoms have returned after you've been getting treatment for a while, you may have motor fluctuations. Learn the causes and the types.

If you have Parkinson’s disease, you may find that your hands, feet, or jaw shake. Here are five types of Parkinson’s tremors and how you can manage them with medication or surgery.

You may have sudden, uncontrolled movements with Parkinson's disease. There are things you can do to help prevent these tremors, called dyskinesia.

Uncontrolled shaking and other movements called dyskinesia are a side effect of some Parkinson's treatments. Learn how to manage these movements.

Levodopa is the most common medicine for Parkinson’s symptoms, but it’s also linked with a side effect called dyskinesia, jerking movements you can’t control. That makes some people question whether they should take the medicine at all.

Jerky movements you can’t control, called dyskinesia, are one side effect of treatment for Parkinson’s disease. It doesn’t happen to everyone, but some things may make it more likely.

Learn how Parkinson's disease affects your brain and body and what to expect from tests and treatment.

Not all cases of Parkinson’s disease are alike. Some can cause different symptoms than the usual disease.

When you're a caregiver for someone with Parkinson's disease, your job may change often. Use this checklist to make daily care easier.

WebMD discusses the important issue of driving when you have Parkinson’s Disease. Learn tips for safety and when you should stop driving.

Many people with Parkinson's disease have difficulty swallowing because they lose control of their mouth and throat muscles. Learn more about why it happens and what you can do about it.

WebMD explains the benefits of physical and occupational therapy for those living with Parkinson's disease.

This rare neurogenerative disease is often misdiagnosed as Parkinson's disease because its symptoms are similar. Learn more about it.

Parkinson’s disease doesn’t move in a straight line, so it can be hard to know what’s coming next. Learn why it’s so hard to predict and how its symptoms may change over time.

Learn about the symptoms of Parkinson's disease from the experts at WebMD.

Information on speech therapy for people with Parkinson's disease, including an overview of assistive devices.

This glossary gives definitions for common Parkinson's disease terms.

Pneumonia can be a complication of Parkinson's disease. Learn about the different types of pneumonia, the symptoms, causes, and how they're treated.

WebMD provides an overview of Parkinson's disease, including information about young-onset PD.

The first line of treatment for Parkinson’s disease involves medication and occupational therapy. If those don't help, learn how surgery may be an option.

Eating well is important if you have Parkinson’s disease so you can keep up your strength and make sure your medications work right. Here’s how.

Caring for someone with Parkinson's disease can be tiring and frustrating. Here are tips for helping caregivers cope.

There’s no “test” for Parkinson’s disease, so making a diagnosis can be tricky. Learn more about how doctors do it.

Constipation often affects those with Parkinson's disease. WebMD explains the causes and treatment options.

Early symptoms of Parkinson’s disease can be mild and go unnoticed. Here are some signs to look out for.

Why is lightheadedness a common problem in those with Parkinson's disease? Learn more about orthostatic hypotension.

A look at drug treatments for Parkinson's Disease.

If you have a recent Parkinson's diagnosis, here are 10 important questions from WebMD to ask your doctor.