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Parkinson’s fatigue is not ordinary tiredness, and it is not caused by just one thing. Parkinson’s changes the brain systems that control movement, alertness, motivation, and how much effort an activity seems to require. Ordinary activities can therefore feel like hard work before you have even done very much.
The body may also use extra energy because stiffness, tremors, slowness, and muscles working against one another make movement less efficient. For some people, low blood pressure or poor circulation when standing can add weakness, heaviness, and brain fog. Poor sleep, pain, medications, and wearing-off periods may add even more.
Dopamine loss is part of the picture, but dopamine is not simply an energy chemical, and levodopa does not always take the fatigue away. That is why it is important to describe the fatigue to your neurologist. Sometimes Parkinson’s is causing it directly, and sometimes there is another problem adding to it that may be treatable. So, talk with your neurologist.
Feeling constantly tired is one of the most common experiences with Parkinson's — up to 80% of people with Parkinson's deal with it at some point. It's not just ordinary sleepiness. It can feel like a deep, bone-heavy exhaustion that doesn't go away even after rest.
A MyParkinsonsTeam member described it well: "I am Show Full Answer
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