A 58-year-old woman with advanced HIV immunosuppression (CD4 count 45 cells/mm³) presents for evaluation of thick white plaques on her buccal mucosa and hard palate. She was recently diagnosed with oral candidiasis and has taken oral fluconazole (100 mg per day) for 2 weeks with no improvement. She has a history of recurrent oral candidiasis, for which she has taken fluconazole numerous times. She does not have odynophagia. You discuss treatment options with her, and she states she does not want intravenous therapy.