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Myalgia

  • Common ddx

    • trauma, strain
    • flu, severe sinus infection
    • statin side effect
    • electrolyte abnormality (Na, K, Ca)
    • fibromyalgia
    • polymyalgia rheumatica
    • post-polio syndrome
  • Serious ddx

    • rhabdomyolysis
    • hyperparathyroidism
    • dermatomyositis, polymyositis
    • heat stroke
    • claudication
  • Labs

    • CBC, chem (Na, K, Ca)
    • ESR
    • CK, f/u muscle biopsy if elevated
    • UA, urine myoglobin
    • ABI, angiography if suspect claudication
    • trial of d/c statin
  • Other ddx

    • infectious disease
    • diuretic side effect
    • porphyria

  • Print | Citations

    Disclaimer: MDHero Workups is for educational use only, and is not meant to replace the clinical judgement of a professional. We do not guarantee the accuracy of any information on this website.