You really need to see a doctor. But not any ol' family doctor will due. You should likely see a specialist familiar with muscle fatigue, weakness and soreness issues. There are a number of possible diagnosis's to consider including but not limited to musclular dystrophies, neuromuscular junction disorders, myopathies, anemia, and the list goes on.
I am biased towards physical medicine and rehabilitation specialists because that's my background. But honestly, we physiatrists are a good place to start because of our training in nerve and muscle diseases.
A doctor would want to start with a physical exam, basic laboratory studies and an electrodiagnostic study to investigate nerve and muscle responses. You may even need a muscle biopsy to get to the bottom of your problem.
Don't let someone tell you that you have chronic fatigue syndrome or fibromyalgia because these are the types of diagnosis's that should not be made until other things have been ruled out.
Dr. Christina Lasich, MD
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