An Infant Is Brought to Clinic with Bright Erythema in the Neck

An infant is brought to clinic with bright erythema in the neck and flexural
folds after recent treatment with antibiotics for otitis media. What is the treatment for this condition?

A) 1% hydrocortisone cream to affected areas for 1 to 2 days
B) Oral fluconazole 6 mg/kg on day 1, then 3 mg/kg/dose for 14 days
C) Topical keratolytics and topical antibiotics for 7 to 10 days
D) Topical nystatin cream applied several times daily