A70 y. o. chinese-american m comes to the office bc he has a widespread maculopapular eruption w/ formation of flaccid bullae and erosions. for 2 days before the rash, he had fever, odynophagia, and eye pain. over the next few days, the rash evolved to extensive sloughing and peeling of the skin. hx includes htn, diabetes, and peripheral neuropathy. two weeks ago, he began carbamazepine at 200 mg q 12h for peripheral neuropathy. other meds include glipizide, felodipine, simvastatin, and enteric-coated aspirin. on exam, the sloughing and peeling involve 40% of the pt's body surface. his oral mucosa has erosions and exudates. he also has bilateral conjunctivitis. the pt is admitted to a burn unit. which is the most likely dx? a.) bullous pemphigoidb.) staphylococcus scalded skin syndromec.) disseminated herpes zosterd.) toxic epidermal necrolysis