(BMJ)—A 50-year-old nurse presented to the ED with a 2-day hx of a mildly itchy rash on her torso that began the day after eating a stir-fried “mushroom medley.” Exam: low BP, most likely due to volume depletion from diarrhea; florid, red, linear rash on abdomen and low back. She otherwise felt well. Labs including creatinine kinase and ANA: normal. What’s the dx?
Dermatomyositis
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Photodermatitis
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Flagellate dermatitis
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Still dz
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Allergic reaction
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