A 50-year-old man from California presents with a diffuse itchy rash that involves his trunk, extremities, and face. He also reports a fever. On exam, you note mild edema on his face and cervical lymphadenopathy. His laboratory results are notable for leukocytosis, elevated AST and ALT, and a slight increase in creatinine from baseline. He has been on simvastatin and lisinopril for 5 years, occasionally takes a vitamin D supplement, and started allopurinol 4 weeks ago for gout. He reports traveling to Hawaii 1 week ago. What is the diagnosis?

A. Exanthematous drug eruption
B. Viral exanthem
C. Rocky Mountain spotted fever
D. Drug hypersensitivity syndrome
E. Stevens-Johnson syndrome

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