A 33-year-old male presented for evaluation of several large, recently discovered white oral lesions of unknown duration. Clinical examination revealed multiple white plaques on the soft palate, uvula, buccal mucosa, and tongue. These lesions could be wiped away, leaving an erythematous base. The lesions were asymptomatic, and the patient did not report difficulty in swallowing. The patient's medical history was noteworthy for several significant diagnoses within the previous 6 months: type 2 diabetes mellitus, mild systolic hypertension, gastroesophageal reflux disease, and adult idiopathic nephrotic syndrome, determined by kidney biopsy to be caused by focal segmental glomerulosclerosis. A provisional diagnosis of pseudomembranous candidosis was made, and the patient responded to a 14-day course of clotrimazole, administered in 10-mg troches, five times a day. Management of nephrotic syndrome predisposes patients to recurrent fungal infections, and the disease has implications for the selection of systemic antifungal agents.