Methods of transdermally delivering a therapeutic amount of a triazole-triazolone compound are provided, e.g. for the prevention or treatment of basal cell carcinoma (BCC) in a subject. A therapeutic level of a triazole-triazolone compound such as itraconazole is delivered transdermally to a subject. Also provided are topical triazole-triazolone compositions that find use in practicing the subject methods.
