46-year-old woman with diffuse pain and normal ESR
A 46-year-old woman has 18 months of diffuse musculoskeletal pain, unrefreshing sleep, and fatigue that worsened after a stressful job change. She reports trouble concentrating and intermittent headaches. She walks daily but has stopped tennis because even light touch over her shoulders and hips feels painful. She has no joint swelling, fever, rash, weakness, or weight loss. Temperature is 36.8 C, blood pressure is 122/76 mm Hg, and pulse is 74/min. Examination shows diffuse soft-tissue tenderness without synovitis; strength and neurologic findings are normal. CBC, creatine kinase, TSH, ESR, and CRP are normal. Which of the following is the most appropriate next step in management?
See the answer and explanation below:
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D
Explanation
Clinical Pearl:
Chronic widespread pain with fatigue, poor sleep, cognitive symptoms, normal inflammatory markers, and no objective weakness or synovitis is most consistent with fibromyalgia. First-line treatment emphasizes exercise, sleep-focused strategies, and behavioral therapy rather than opioids, steroids, or repeated diagnostic testing.
Explanation:
This patient has a classic fibromyalgia presentation: chronic widespread pain, allodynia, fatigue, sleep disturbance, and cognitive complaints with a normal exam aside from diffuse tenderness and unrevealing basic testing. Current practice favors nonpharmacologic treatment first, especially graded aerobic exercise and cognitive behavioral therapy, because these improve pain and function with the best evidence and lowest harm. Prednisone is inappropriate because there is no evidence of inflammatory arthritis, polymyalgia rheumatica, or another steroid-responsive disorder. Electromyography is not indicated when strength, creatine kinase, and neurologic examination are normal and there are no features suggesting myopathy or neuropathy. Long-term opioids are discouraged in fibromyalgia because they do not address central pain sensitization and are associated with worse long-term outcomes. Further serologic testing such as ANA or rheumatoid factor is more likely to create false-positive results than clarify the diagnosis in a patient without suggestive inflammatory or connective tissue disease findings.
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