A 25-year-old female has an annular rash on the dorsal surface of both hands. The rash does not respond to initial treatment with an antifungal medication, and a biopsy reveals granuloma annulare.
Which one of the following would be the most appropriate advice for this patient?
a) Topical corticosteroids
b) Oral antifungal medication
c) Topical antihistamines
d) Intralesional corticosteroid injections